Fix merge error that disabled contact drag'n'drop

Thomas Bruederli

2014-08-19 fc52af24f1418d6590a2d37a0d8cc31b123e38f6

 program/lib/Roundcube/rcube_config.php

@@ -192,7 +192,7 @@
     */
    public function get($name, $def = null)
    {
        if (isset($this->prop[$name])) {
        if (array_key_exists($name, $this->prop)) {
            $result = $this->prop[$name];
        }
        else {