init.d/vz-redhat: fix a bashism

From a Debian bug report:

"""
I've ran checkbashisms (from the 'devscripts' package) over the whole
archive and I found that your package has a /bin/sh script that uses a
"bashism".

checkbashisms' output:
> possible bashism in ./etc/init.d/vz line 319 (let ...):
>		  let iter++
"""

https://bugzilla.openvz.org/3148
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772387

Reported-by: Raphael Geissert <atomo64@gmail.com>
Reported-by: Ola Lundqvist <ola@inguza.com>
Acked-by: Kir Kolyshkin <kir@openvz.org>
1 file changed