1 files changed, 3 insertions, 6 deletions
diff --git a/includes/file.inc b/includes/file.inc
index e61574501..58b3e1b20 100644
--- a/includes/file.inc
+++ b/includes/file.inc
@@ -1311,13 +1311,10 @@ function file_transfer($source, $headers) {
     ob_end_clean();
   }
 
-  foreach ($headers as $header) {
-    // To prevent HTTP header injection, we delete new lines that are
-    // not followed by a space or a tab.
-    // See http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2
-    $header = preg_replace('/\r?\n(?!\t| )/', '', $header);
-    drupal_set_header($header);
+  foreach ($headers as $name => $value) {
+    drupal_set_header($name, $value);
   }
+  drupal_send_headers();
 
   $source = file_create_path($source);