merged from MOODLE_14_STABLE: initialized variables - the same as algebra/pix.php

diff --git a/filter/tex/pix.php b/filter/tex/pix.php
index 6748db550988dfae65d23076a0d737c0b915e010..cc7304c08482cf0ed935c38f93888ed0423f322a 100644 (file)
--- a/filter/tex/pix.php
+++ b/filter/tex/pix.php
@@ -10,6 +10,9 @@
     $CFG->texfilterdir = "filter/tex";
     $CFG->teximagedir = "filter/tex";
 
+    $cmd = '';      // Initialise these variables
+    $status = '';
+
     error_reporting(E_ALL);
 
     $lifetime = 86400;