Another missing lock from e9bde2eb.

src/mod/endpoints/mod_sofia/sofia_presence.c

@@ -1110,7 +1110,7 @@ static void actual_sofia_presence_event_handler(switch_event_t *event)
 						free(buf);
 					}
 
-					sofia_glue_execute_sql_callback(profile, NULL, sql, sofia_presence_sub_callback, &helper);
+					sofia_glue_execute_sql_callback(profile, profile->ireg_mutex, sql, sofia_presence_sub_callback, &helper);
 					switch_safe_free(sql);
 					
 					sql = switch_mprintf("update sip_subscriptions set version=version+1 where event='dialog' and sub_to_user='%q' "