logic fix on rtp_common_read on a not ready session, init bytes to 0 so the…

logic fix on rtp_common_read on a not ready session, init bytes to 0 so the checks outside of the while loop work.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3386 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_rtp.c

@@ -757,7 +757,7 @@ static void do_2833(switch_rtp_t *rtp_session)
 
 static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_type, switch_frame_flag_t *flags)
 {
-	switch_size_t bytes;
+	switch_size_t bytes = 0;
 	switch_status_t status;
 	uint8_t check = 1;