Allow fullstack to operate on dhclient-script for OpenSUSE

This script's permissions by default limits access to root, but
that is not consistent to other platforms. Tweaking the permissions
is the easiest/least impactful fix imaginable.

Change-Id: Icfad974cb0c9f896b05003ea0f89693528eaeb80

tools/configure_for_func_testing.sh

@@ -235,6 +235,10 @@ function _install_post_devstack {
         install_package nmap-ncat
     elif is_suse; then
         install_package dhcp-client
+        # NOTE(armax): no harm in allowing 'other' to read and
+        # execute the script. This is required in fullstack
+        # testing and avoids quite a bit of rootwrap pain
+        sudo chmod o+rx /sbin/dhclient-script
         install_package ncat
     else
         exit_distro_not_supported "installing dhclient and ncat packages"