merge revision(s) 33114:
* configure.in: fix a build failure on GNU Hurd. Patch by Samuel Thibault <sthibault at debian dot org>. Thank you! [Bug #5250] [ruby-core:39185]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@33116 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 33114:
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@33116 b2dd03c8-39d4-4d8f-98ff-823fe69b080e