OpenVZ container umount script with space quoting

VEID.umount

#!/bin/bash
###
# More advanced on-umount script for OpenVZ container
# Based on https://openvz.org/Bind_mounts
#
# 1. Set quotas off
#

[ -f /etc/vz/vz.conf ] || exit 1
[ -f $VE_CONFFILE ] || exit 1

. /etc/vz/vz.conf
. ${VE_CONFFILE}

# Do not need quotas? Then uncomment:
#exit 0

# Quota ID, make it real BIG number, to avoid crossing with container root VEID
QID=$((VEID+1000000))

vzquota show $QID >/dev/null 2>/dev/null
if [ $? -ne 0 ]; then
	# Quotas OFF
	vzquota off $QID
fi