kvm tools: Get DNS information from host in uip_init()

Use uip_dhcp_get_dns() in uip_init() to get DNS information from host
for DHCP.

Signed-off-by: Asias He <asias.hejun@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

net/uip/core.c

@@ -184,5 +184,7 @@ int uip_init(struct uip_info *info)
 	info->buf_free_nr = buf_nr;
 	info->buf_used_nr = 0;
 
+	uip_dhcp_get_dns(info);
+
 	return 0;
 }