merge revision(s) 33183,33185:
* numeric.c (int_round): Integer#round always returns an Integer [Bug #5271]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@33897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 33183,33185:
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@33897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e