--- app_echo.c.103249	2008-10-15 21:24:31.000000000 +1300
+++ app_echo.c	2008-10-15 21:26:52.000000000 +1300
@@ -54,8 +54,9 @@
 
 	while (ast_waitfor(chan, -1) > -1) {
 		struct ast_frame *f = ast_read(chan);
-		if (!f)
+		if (!f) {
 			break;
+		}
 		f->delivery.tv_sec = 0;
 		f->delivery.tv_usec = 0;
 		if (ast_write(chan, f)) {