do not duplicate String on unmatched EReg.map (fixed issue #1565)

git-svn-id: http://haxe.googlecode.com/svn/trunk@6328 f16182fa-f095-11de-8f43-4547254af6c6
[java/cs] Fixed issue with overloads: same_overload_params didn't consider function type parameters


git-svn-id: http://haxe.googlecode.com/svn/trunk@6329 f16182fa-f095-11de-8f43-4547254af6c6