- Fix (workaround) delete operations with some versions of memcache (#1488592)

Conflicts:

	CHANGELOG
	program/include/rcube_session.php

1 files changed, 2 insertions, 1 deletions

diff --git a/program/include/rcube_session.php b/program/include/rcube_session.php
index bd0ce60e4..3e3becb64 100644
--- a/program/include/rcube_session.php
+++ b/program/include/rcube_session.php
@@ -319,7 +319,8 @@ class rcube_session
    */
   public function mc_destroy($key)
   {
-    $ret = $this->memcache->delete($key);
+    // #1488592: use 2nd argument
+    $ret = $this->memcache->delete($key, 0);
     if ($this->mc_debug) write_log('memcache', "delete($key): " . ($ret ? 'OK' : 'ERR'));
     return $ret;
   }