netconf.ifcfg: fix sloppy backport

In recent commit 6241e067 I have broken the ovirt-3.3 branch by
refering to "config" before importing it.

Change-Id: I1e30f374e1e4fb1d8338df72d90f635b05aba57b
Signed-off-by: Dan Kenigsberg <danken@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/23780