backport a couple of frame leak fixes from the trunk (revisions 33446, 33447)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@33449 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_zapbarge.c

@@ -212,6 +212,7 @@ 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) {

apps/app_zapscan.c

@@ -269,6 +269,8 @@ static int conf_run(struct ast_channel *chan, int confno, int confflags)
 					ast_log(LOG_WARNING, "Failed to read frame: %s\n", strerror(errno));
 			}
         }
+	if (f)
+		ast_frfree(f);
         if (fd != chan->fds[0])
 			close(fd);
         else {