MDL-13766, change function call.

user/repository.php

@@ -35,7 +35,7 @@ include('tabs.php');
 print_heading($configstr);
 print_simple_box_start();
 
-if (!$instances = repository_instances(true, false)) {
+if (!$instances = repository_user_instances($COURSE->context)) {
     print_error('noinstances', 'repository', $CFG->wwwroot . '/user/view.php');
 }
 

user/tabs.php

@@ -252,7 +252,7 @@
     // Repository Tab
     if ($user->id == $USER->id) {
         require_once($CFG->dirroot . '/repository/lib.php');
-        if (repository_instances()) {
+        if (repository_user_instances($COURSE->context)) {
             $toprow[] = new tabobject('repositories', $CFG->wwwroot .'/user/repository.php', get_string('repositories', 'repository'));
         }
     }