Free endpoint ACLs when destroying PJSIP endpoints.

If endpoint ACLs were specified, they were not being freed
when endpoints were destroyed. On systems with realtime endpoints, this
could add up quickly since each DB lookup would allocate the ACL without
freeing it.

ASTERISK-26731 #close
Reported by Ustinov Artem

Change-Id: Ie1f8bf5b7a0de628c975beba01e69c56893331ad

res/res_pjsip/pjsip_configuration.c

@@ -2068,6 +2068,8 @@ static void endpoint_destructor(void* obj)
 	ast_variables_destroy(endpoint->channel_vars);
 	AST_VECTOR_FREE(&endpoint->ident_method_order);
 	ast_free(endpoint->contact_user);
+	ast_free_acl_list(endpoint->contact_acl);
+	ast_free_acl_list(endpoint->acl);
 }
 
 static int init_subscription_configuration(struct ast_sip_endpoint_subscription_configuration *subscription)