slirp: replace error_report() with g_critical()

Reduce dependency on QEMU. QEMU could use a custom log handler if it
wants to redirect/filter it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
1 file changed