dnsmasq: speed up the dhcp server detection (one try is enough)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6941 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/dnsmasq/files/dnsmasq.init

@@ -40,7 +40,7 @@ dhcp_add() {
 	# check for an already active dhcp server on the interface, unless 'force' is set
 	config_get_bool force "$cfg" force 0
 	[ "$force" -gt 0 ] || {
-		udhcpc -n -q -R -s /bin/true -i $ifname >&- && return 0
+		udhcpc -n -q -R -s /bin/true -t 1 -i $ifname >&- && return 0
 	}
 	
 	config_get start "$cfg" start