there is no need to use iax_frame_free here, as it will actually just end up

having a bunch of erroneous messages about attempting to double free frames
spammed to the console.  Problem reported to me by file ...


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@41629 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/iax2-parser.c

@@ -1007,7 +1007,7 @@ static void frame_cache_cleanup(void *data)
 	struct iax_frame *cur;
 
 	while ((cur = AST_LIST_REMOVE_HEAD(frames, list)))
-		__iax_frame_free(cur, 0);
+		free(cur);
 
 	free(frames);
 }