Fix a gcc warning in `rb_git_remote_collection_each_name`.
Fix a gcc warning in `rb_git_remote_collection_each_name`.

libgit2/rugged,libgit2/rugged,tpickett66/rugged,Acidburn0zzz/rugged,libgit2/rugged,tpickett66/rugged,saraid/rugged,Acidburn0zzz/rugged,Acidburn0zzz/rugged,saraid/rugged,saraid/rugged,tpickett66/rugged