? image.imagemagick.inc
Index: file.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/file.inc,v
retrieving revision 1.106
diff -u -p -u -p -r1.106 file.inc
--- file.inc	2 Oct 2007 16:15:56 -0000	1.106
+++ file.inc	6 Oct 2007 17:54:34 -0000
@@ -750,7 +750,7 @@ function file_validate_image_resolution(
  */
 function file_save_data($data, $dest, $replace = FILE_EXISTS_RENAME) {
   $temp = file_directory_temp();
-  $file = tempnam($temp, 'file');
+  $file = tempnam(realpath($temp), 'file');
   if (!$fp = fopen($file, 'wb')) {
     drupal_set_message(t('The file could not be created.'), 'error');
     return 0;