type/base: fix undefined variable rrd_url when graph_type != canvas

1 files changed, 6 insertions, 4 deletions

diff --git a/type/Base.class.php b/type/Base.class.php
index c47aba2..3bda273 100644
--- a/type/Base.class.php
+++ b/type/Base.class.php
@@ -149,11 +149,13 @@ class Type_Base {
         function parse_filename($file) {
                 if ($this->graph_type == 'canvas') {
                         $file = str_replace($this->datadir . '/', '', $file);
-                        $rrd_url = str_replace('{file}', $file, $this->rrd_url);
-                        $rrd_url = str_replace('{file_escaped}',
-                                        urlencode($file), $rrd_url);
+                        $file = str_replace(
+                                array('{file}', '{file_escaped}'),
+                                array($file, urlencode($file)),
+                                $this->rrd_url
+                        );
                 }
-                return $this->rrd_escape($rrd_url);
+                return $this->rrd_escape($file);
         }
 
         function rrd_files() {