Merge pull request #71 from zouguangxian/master

Aleksander Machniak

2013-05-04 4010aabb72ab25ead1b4b1bc3d34dab6265fc859

 program/lib/Roundcube/rcube_output.php

@@ -162,7 +162,7 @@
            header("Cache-Control: private, must-revalidate");
        }
        else {
            header("Cache-Control: private, no-cache, must-revalidate, post-check=0, pre-check=0");
            header("Cache-Control: private, no-cache, no-store, must-revalidate, post-check=0, pre-check=0");
            header("Pragma: no-cache");
        }
    }