Better defaulting behavior for endpoint value

includes/tuque.inc

@@ -87,8 +87,13 @@ class IslandoraTuque {
     }
 
     if (!isset($sparql_endpoint)) {
+      if (variable_get('islandora_sparql_endpoint_externalized', FALSE)) {
         $sparql_endpoint = variable_get('islandora_sparql_endpoint', $url);
       }
+      else {
+        $sparql_endpoint = $url;
+      }
+    }
 
     if (self::exists()) {
       module_load_include('inc', 'islandora', 'includes/tuque_wrapper');