openal: lowercase system libs

[SpaceIm]

for conan-io/hooks#480

---

• I've read the contributing guidelines.
• I've used a recent Conan client version close to the currently deployed.
• I've tried at least one configuration locally with the conan-center hook activated.

[github-actions]

Hooks produced the following warnings for commit 725cabd

openal/1.21.1

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.21.1.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.21.1.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.

openal/1.22.2

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.22.2.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.22.2.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.

openal/1.21.0

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.21.0.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.21.0.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.

openal/1.19.1

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.19.1.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.19.1.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.

openal/1.20.1

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.20.1.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'ApplicationServices' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.20.1.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libopenal.1.dylib' links to system library 'AudioUnit' but it is not in cpp_info.frameworks.

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 2 (c683eb52edc2799a4b4b94727e0e3ec77783136e):

• openal/1.20.1@:
  All packages built successfully! (All logs)

• openal/1.22.2@:
  All packages built successfully! (All logs)

• openal/1.21.1@:
  All packages built successfully! (All logs)

• openal/1.21.0@:
  All packages built successfully! (All logs)

• openal/1.19.1@:
  All packages built successfully! (All logs)