flush audio on reset of auto-adjust

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15282 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_rtp.c

@@ -1528,6 +1528,7 @@ SWITCH_DECLARE(void) switch_rtp_set_flag(switch_rtp_t *rtp_session, switch_rtp_f
 	if (flags & SWITCH_RTP_FLAG_AUTOADJ) {
 		rtp_session->autoadj_window = 20;
 		rtp_session->autoadj_tally = 0;
+		rtp_flush_read_buffer(rtp_session, SWITCH_RTP_FLUSH_ONCE);
 	}
 }