Ruby » Ruby master

merges r32242 from trunk into ruby_1_9_2.¶

• test/etc/test_etc.rb (TestEtc#test_get{pw,gr}nam): skip entries
  start with + sign, which means NIS. these are returned in the
  case that passwd and group entries in /etc/nsswitch.conf are set
  to use "nis" explicitly on Debian. fixed #3683

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@32910 b2dd03c8-39d4-4d8f-98ff-823fe69b080e