Don't call iptables if it is not installed. This code is only there to ensure
authoremellor@leeni.uk.xensource.com <emellor@leeni.uk.xensource.com>
Fri, 11 Nov 2005 16:56:02 +0000 (17:56 +0100)
committeremellor@leeni.uk.xensource.com <emellor@leeni.uk.xensource.com>
Fri, 11 Nov 2005 16:56:02 +0000 (17:56 +0100)
commit53ce8b9dd9534b805169dbeb715c75b72e2d708a
treee9f30dcf8fe8f2597ec1cc06648b7dd3cb551ce3
parentaea7cae1333f9c4a8c078c2b6be97237d79d46ef
Don't call iptables if it is not installed.  This code is only there to ensure
that packets between domU and the bridge are not firewalled, so if iptables is
not installed, then there is no worry.

Signed-off-by: Ewan Mellor <ewan@xensource.com>
tools/examples/vif-common.sh