commit 971469d29a6a2cdef6e79088dbc9f3dbf5a115c5
Author: Devansh Goenka <devanshgoenka97@gmail.com>
Date:   Mon Mar 27 14:09:07 2017 +0530

    MDL-58372 prepare_file - solved too few arguments in prepare_file

diff --git a/repository/webdav/lib.php b/repository/webdav/lib.php
index 11cb7db..72c27c2 100644
--- a/repository/webdav/lib.php
+++ b/repository/webdav/lib.php
@@ -72,7 +72,7 @@ class repository_webdav extends repository {
     }
     public function get_file($url, $title = '') {
         $url = urldecode($url);
-        $path = $this->prepare_file();
+        $path = $this->prepare_file($title);
         if (!$this->dav->open()) {
             return false;
         }