dir.c: glob cases on case-insensitive system
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
dir.c: glob cases on case-insensitive system
the filesystem if it is case-insensitive. [ruby-core:42469]
[Feature #5994]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e