res_pjsip_session.c: Fix off nominal crash potential in debug message.

Change-Id: I09928297927ee85f7655289acee3a586816466bc

diff --git a/res/res_pjsip_session.c b/res/res_pjsip_session.c
index 2c2ea616d0f4baa4244b700e1835f7fa27d747f9..e6ed64520a48a8c2164cb8795cabac6ec0434354 100644 (file)
--- a/res/res_pjsip_session.c
+++ b/res/res_pjsip_session.c
@@ -1161,7 +1161,7 @@ static void session_destructor(void *obj)
        struct ast_sip_session_delayed_request *delay;
 
        ast_debug(3, "Destroying SIP session with endpoint %s\n",
-                       ast_sorcery_object_get_id(session->endpoint));
+               session->endpoint ? ast_sorcery_object_get_id(session->endpoint) : "<none>");
 
        while ((supplement = AST_LIST_REMOVE_HEAD(&session->supplements, next))) {
                if (supplement->session_destroy) {