Fix compatibility with PHP 5.2. in rcube_imap_generic (#1490115)

Aleksander Machniak

2014-10-24 7653ed107e008f917fdfc0530f2409644c7e982b

 program/lib/Roundcube/rcube_imap_generic.php

@@ -865,7 +865,7 @@

        if (!$this->fp) {
            $this->setError(self::ERROR_BAD, sprintf("Could not connect to %s:%d: %s",
                $host, $this->prefs['port'], $errstr ?: "Unknown reason"));
                $host, $this->prefs['port'], $errstr ? $errstr : "Unknown reason"));

            return false;
        }