Fix hook implementation.

...  Function was name inappropriately... Herp derp.

islandora.module

@@ -1321,9 +1321,9 @@ function islandora_datastream_access($op, $datastream, $user = NULL) {
 }
 
 /**
- * Implements hook_islandora_basic_collection_get_filters().
+ * Implements hook_islandora_basic_collection_get_query_filters().
  */
-function islandora_islandora_basic_collection_get_filters() {
+function islandora_islandora_basic_collection_get_query_filters() {
   $enforced = variable_get('islandora_namespace_restriction_enforced', FALSE);
   if ($enforced) {
     $namespace_array = islandora_get_allowed_namespaces();