Make sure forcelogin is applied to forums at site level

mod/forum/discuss.php

@@ -19,6 +19,10 @@
         error("Course ID is incorrect - discussion is faulty");
     }
 
+    if ($CFG->forcelogin) {
+        require_login();
+    }
+
     if ($course->category) {
         require_login($course->id);
     }

mod/forum/index.php

@@ -15,6 +15,10 @@
         }
     }
 
+    if ($CFG->forcelogin) {
+        require_login();
+    }
+
     if ($course->category) {
         require_login($course->id);
     }

mod/forum/view.php

@@ -52,6 +52,10 @@
         $buttontext = forum_print_search_form($course, $search, true, "plain");
     } 
 
+    if ($CFG->forcelogin) {
+        require_login();
+    }
+
     if ($course->category) {
         require_login($course->id);
         $navigation = "<a href=\"../../course/view.php?id=$course->id\">$course->shortname</a> ->