Convert from dynamic arrays to typed arrays if required

git-svn-id: http://hxcpp.googlecode.com/svn/trunk@739 d391954c-4287-11de-baa7-5503b21fc9cb
Compiler fix for gcc

git-svn-id: http://hxcpp.googlecode.com/svn/trunk@740 d391954c-4287-11de-baa7-5503b21fc9cb