Fix CVE-2018-7212 to refer to rack-protection with correct fix versio…

…ns (#331)

* Fix CVE-2018-7212 to refer to rack-protection with correct fix versions

* Fix typo in rack-protection

gems/sinatra/CVE-2018-7212.yml → gems/rack-protection/CVE-2018-7212.yml

@@ -1,11 +1,12 @@
 ---
-gem: sinatra
+gem: rack-protection
 cve: 2018-7212
 url: https://github.com/sinatra/sinatra/pull/1379
 title: Path traversal is possible via backslash characters on Windows.
 date: 2018-02-18
 description: |
-  An issue was discovered in Sinatra 2.x before 2.0.1 on Windows. Path traversal
+  An issue was discovered in rack-protection 2.x before 2.0.1 on Windows. Path traversal
   is possible via backslash characters.
 patched_versions:
-  - ">= 2.0.1"
+  - ">= 2.0.1"
+  - "~> 1.5.4"