Index: FeedsCSVParser.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/feeds/plugins/FeedsCSVParser.inc,v
retrieving revision 1.6
diff -u -r1.6 FeedsCSVParser.inc
--- FeedsCSVParser.inc	27 Jan 2010 15:26:32 -0000	1.6
+++ FeedsCSVParser.inc	27 Mar 2010 18:09:03 -0000
@@ -25,7 +25,7 @@
     // @todo Push this functionality into ParserCSV.
     $header = array_shift($rows);
     foreach ($header as $i => $title) {
-      $header[$i] = strtolower($title); // Use lower case only.
+      $header[$i] = drupal_strtolower($title); // Use lower case only.
     }
     $result_rows = array();
     foreach ($rows as $i => $row) {
@@ -45,7 +45,7 @@
    * Override parent::getSourceElement() to use only lower keys.
    */
   public function getSourceElement($item, $element_key) {
-    $element_key = strtolower($element_key);
+    $element_key = drupal_strtolower($element_key);
     return isset($item[$element_key]) ? $item[$element_key] : '';
   }