[calls] sip: origin: Purge own IP when uninitialising account

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit eeb97c82c020eb40294a730dfd761cd6aa49df46
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Mon Jan 10 08:27:08 2022 +0100

    sip: origin: Purge own IP when uninitialising account
    
    This will make sure that we're not using a stale IP address if we're resetting
    the account after an IP change.

 plugins/sip/calls-sip-origin.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/plugins/sip/calls-sip-origin.c b/plugins/sip/calls-sip-origin.c
index fc79a5e5..7fb9bdb2 100644
--- a/plugins/sip/calls-sip-origin.c
+++ b/plugins/sip/calls-sip-origin.c
@@ -1091,6 +1091,7 @@ deinit_sip_account (CallsSipOrigin *self)
     self->nua = NULL;
   }
 
+  g_clear_pointer (&self->own_ip, g_free);
   self->state = CALLS_ACCOUNT_NULL;
   return TRUE;
 }