Backport #1700 [ruby-core:24078]; Stringify group argument in #fu_get_gid before making regexp match.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@28001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Backport #1700 [ruby-core:24078]; Stringify group argument in #fu_get_gid before making regexp match.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@28001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e