merge revision(s) 57236: [Backport #13089]
rational.c: memory leak in gcd * rational.c (rb_gcd_gmp): fix memory leak. patched by KISHIMOTO, Makoto <ksmakoto AT dd.iij4u.or.jp> in [ruby-dev:49934]. [Bug #13089]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58089 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 57236: [Backport #13089]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58089 b2dd03c8-39d4-4d8f-98ff-823fe69b080e