net/passt: Check return value of g_remove() in net_passt_cleanup() (CID 1612369)

If g_remove() fails, use warn_report() to log an error.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
1 file changed