=== modified file 'includes/file.inc'
--- includes/file.inc	2010-07-27 08:48:20 +0000
+++ includes/file.inc	2010-08-14 23:09:12 +0000
@@ -819,7 +819,7 @@ function file_unmanaged_copy($source, $d
   file_ensure_htaccess();
   // Perform the copy operation.
   if (!@copy($source, $destination)) {
-    drupal_set_message(t('The specified file %file could not be copied.', array('%file' => $source)), 'error');
+    watchdog('file', t('The specified file %file could not be copied to %destination.', array('%file' => $source, '%destination' => $destination)), WATCHDOG_ERROR);
     return FALSE;
   }