type cast tweak to propper return type

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@1113 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_rtp.c

@@ -476,7 +476,7 @@ static int rtp_common_read(switch_rtp *rtp_session, void *data, int *payload_typ
 		}
 
 		if (bytes < 0) {
-			return bytes;
+			return (int)bytes;
 		} else if (bytes > 0 && switch_test_flag(rtp_session, SWITCH_RTP_FLAG_SECURE)) {
 			int sbytes = (int)bytes;
 			err_status_t stat;