Fixed syntax error.

Author: Till Brehm

interface/lib/plugins/vm_openvz_plugin.inc.php

@@ -216,7 +216,7 @@ private function createDNS() {
 		$hostname_parts = explode('.', $full_hostname);
 		$hostname = $app->db->quote($hostname_parts[0]);
 		unset($hostname_parts[0]);
-		$zone = $app->db->quote((implode('.', $hostname_parts));
+		$zone = $app->db->quote((implode('.', $hostname_parts)));
 		unset($hostname_parts);
 
 		// Find the dns zone