range.c: compare signedness only
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
range.c: compare signedness only
assumption of the result of rb_cmpint() which compilers cannot know.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e