MDL-30273 whitespace cleanup

mod/forum/lib.php

@@ -4828,7 +4828,7 @@ function forum_user_can_post_discussion($forum, $currentgroup=null, $unused=-1,
     if (!has_capability($capname, $context)) {
         return false;
     }
-    
+
     if ($forum->type == 'single') {
         return false;
     }
@@ -8361,4 +8361,4 @@ function forum_get_posts_by_user($user, array $courses, $musthaveaccess = false,
     }
 
     return $return;
-}
+}