don't leak a frame when exiting when the user presses '#'

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@33447 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_zapbarge.c

@@ -217,6 +217,7 @@ zapretry:
 				break;
 			if ((f->frametype == AST_FRAME_DTMF) && (f->subclass == '#')) {
 				ret = 0;
+				ast_frfree(f);
 				break;
 			} else if (fd != chan->fds[0]) {
 				if (f->frametype == AST_FRAME_VOICE) {