OC_Response: fix var name bugs

diff --git a/lib/response.php b/lib/response.php
index 7733168b5b98b81b2de7fad30190e2e6acc2b959..f0d1aaab53033fd84aa509552ab276109b558865 100644 (file)
--- a/lib/response.php
+++ b/lib/response.php
@@ -46,12 +46,12 @@ class OC_Response {
                if (is_string($expires) && $expires[0] == 'P') {
                        $interval = $expires;
                        $expires = new DateTime('now');
-                       $expires->add(new DateInterval(expires));
+                       $expires->add(new DateInterval($interval));
                }
                if ($expires instanceof DateTime) {
                        $expires = $expires->format(DateTime::RFC2822);
                }
-               header('Expires: '.expires);
+               header('Expires: '.$expires);
        }
 
        static public function setETagHeader($etag) {