[calls] sip: origin: Destroy registration handle on deinit

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 56259fd1f11b9ca7c19b7f2ec2471c4f79e395bc
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Thu Sep 2 18:46:50 2021 +0200

    sip: origin: Destroy registration handle on deinit
    
    Otherwise shutting down may be timing out, because there are pending messages.
    Calling nua_destroy_handle() will kill any dialog/leg.

 plugins/sip/calls-sip-origin.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/plugins/sip/calls-sip-origin.c b/plugins/sip/calls-sip-origin.c
index 08765b22..18d3f93b 100644
--- a/plugins/sip/calls-sip-origin.c
+++ b/plugins/sip/calls-sip-origin.c
@@ -1037,6 +1037,8 @@ deinit_sip_account (CallsSipOrigin *self)
   remove_calls (self, NULL);
 
   if (self->nua) {
+    g_debug ("Clearing any handles");
+    g_clear_pointer (&self->oper->register_handle, nua_handle_destroy);
     g_debug ("Requesting nua_shutdown ()");
     self->is_nua_shutdown = FALSE;
     self->is_shutdown_success = FALSE;