allow underscore in ALIAS name (Fixes: #3866)

Florian Schaal

2016-04-30 8beb039f0b7d23b03f7963c3a56c8dde65af3b6b

 interface/lib/classes/validate_openvz.inc.php

@@ -28,7 +28,7 @@
 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 @author Florian Schaal, info@schaal-24.de
 @copyrighth Florian Schaal, info@schaal-24.de
 @copyright Florian Schaal, info@schaal-24.de
 */

class validate_openvz {