Add a missing session supplement unregistration in chan_pjsip for ACKs.

(closes issue ASTERISK-22453)
Reported by: Corey Farrell
Patches:
	chan_pjsip_session_unregister_supplement.patch uploaded by Corey Farrell (license 5909)
........

Merged revisions 399531 from http://svn.asterisk.org/svn/asterisk/branches/12

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@399533 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_pjsip.c b/channels/chan_pjsip.c
index 96500b4..42e329e 100644 (file)
--- a/channels/chan_pjsip.c
+++ b/channels/chan_pjsip.c
@@ -2122,6 +2122,7 @@ static int unload_module(void)
 
        ast_sip_session_unregister_supplement(&chan_pjsip_supplement);
        ast_sip_session_unregister_supplement(&pbx_start_supplement);
+       ast_sip_session_unregister_supplement(&chan_pjsip_ack_supplement);
 
        ast_custom_function_unregister(&chan_pjsip_dial_contacts_function);
        ast_channel_unregister(&chan_pjsip_tech);