use defined() to check fot undefined value
authorDietmar Maurer <dietmar@proxmox.com>
Thu, 27 Feb 2014 11:54:11 +0000 (12:54 +0100)
committerDietmar Maurer <dietmar@proxmox.com>
Thu, 27 Feb 2014 11:54:11 +0000 (12:54 +0100)
commita104121732bddbd34a5870f4ad255be5fa5c0a49
treea117eeed567c2992cf54d523f40f12ed4ec92f2f
parente3a1d391206d419fadf1f78896dd1dc7f6c9b0b4
use defined() to check fot undefined value
PVE/Firewall.pm