KVM test: Fixing small bug on unattended install cfg

As in other tests, we should append the qemu extra
options instead of replacing them.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>


git-svn-id: http://test.kernel.org/svn/autotest/trunk@3876 592f7852-d20e-0410-864c-8624ca9c26a4
1 file changed