* hash.c (rb_hash_s_create): fixed memory leak, based on the patch
  by Kent Sibilev <ksruby at gmail.com>.  fixed: [ruby-talk:211233]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_5@11345 b2dd03c8-39d4-4d8f-98ff-823fe69b080e