net/ruby-nio4r: update to 2.5.4

Update ruby-nio4r to 2.5.4.


## 2.5.4 (2020-09-16)

* [#251](socketry/nio4r#251)
  Intermittent SEGV during GC.
  ([@boazsegev])

net/ruby-nio4r/Makefile

@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.5 2020/09/14 13:36:45 taca Exp $
+# $NetBSD: Makefile,v 1.6 2020/09/19 12:54:33 taca Exp $
 
-DISTNAME=	nio4r-2.5.3
+DISTNAME=	nio4r-2.5.4
 CATEGORIES=	net
 
 MAINTAINER=	pkgsrc-users@NetBSD.org

net/ruby-nio4r/PLIST

@@ -1,4 +1,4 @@
-@comment $NetBSD: PLIST,v 1.3 2020/09/14 13:36:45 taca Exp $
+@comment $NetBSD: PLIST,v 1.4 2020/09/19 12:54:33 taca Exp $
 ${GEM_HOME}/cache/${GEM_NAME}.gem
 ${GEM_EXTSDIR}/gem.build_complete
 ${GEM_EXTSDIR}/nio4r_ext.${RUBY_DLEXT}
@@ -8,7 +8,6 @@ ${GEM_LIBDIR}/.rspec
 ${GEM_LIBDIR}/.rubocop.yml
 ${GEM_LIBDIR}/CHANGES.md
 ${GEM_LIBDIR}/Gemfile
-${GEM_LIBDIR}/Guardfile
 ${GEM_LIBDIR}/README.md
 ${GEM_LIBDIR}/Rakefile
 ${GEM_LIBDIR}/examples/echo_server.rb
@@ -26,6 +25,7 @@ ${GEM_LIBDIR}/ext/libev/ev_select.c
 ${GEM_LIBDIR}/ext/libev/ev_vars.h
 ${GEM_LIBDIR}/ext/libev/ev_win32.c
 ${GEM_LIBDIR}/ext/libev/ev_wrap.h
+${GEM_LIBDIR}/ext/nio4r/.clang-format
 ${GEM_LIBDIR}/ext/nio4r/bytebuffer.c
 ${GEM_LIBDIR}/ext/nio4r/extconf.rb
 ${GEM_LIBDIR}/ext/nio4r/libev.h

net/ruby-nio4r/distinfo

@@ -1,6 +1,6 @@
-$NetBSD: distinfo,v 1.5 2020/09/14 13:36:45 taca Exp $
+$NetBSD: distinfo,v 1.6 2020/09/19 12:54:33 taca Exp $
 
-SHA1 (nio4r-2.5.3.gem) = fd27002109e65ef2707a89b65f1aedb97cab6884
-RMD160 (nio4r-2.5.3.gem) = cc002b0b9cb96836bd6c2dfcee707765720cab34
-SHA512 (nio4r-2.5.3.gem) = dad68688faacf110f08e3252222fed7696e557944c56dadf47a1fb037c5627ab88fa82e70c2e28f802f81ed6c93e38bf85daf28dc42a51f40e455558609b0b58
-Size (nio4r-2.5.3.gem) = 110592 bytes
+SHA1 (nio4r-2.5.4.gem) = bbdc75e235865a739ed525a8dbe98b62204f0308
+RMD160 (nio4r-2.5.4.gem) = bc0028000487f3f057300a1a8ca51ecd5e572c39
+SHA512 (nio4r-2.5.4.gem) = f7e383516ac6b55fd49339280e624a4c35f9cd2d31915b3d117189506522d967fc53a43cde75e8601f3fe0530e1322aeaa8c94a09289ddbefb2afd8d067341ec
+Size (nio4r-2.5.4.gem) = 110080 bytes