allow dhcp sections for dnsmasq to add command line options

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6767 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/dnsmasq/files/dnsmasq.init

@@ -46,12 +46,13 @@ dhcp_add() {
 	config_get start "$cfg" start
 	config_get end "$cfg" end
 	config_get leasetime "$cfg" leasetime
+	config_get options "$cfg" options
 
 	leasetime="${leasetime:-12h}"
 	start="$(dhcp_calc "${start:-100}")"
 	end="$((${end:-150} + 1))"
 	eval "$(ipcalc.sh $ipaddr $netmask $start $end)"
-	append args "-F $START,$END,$NETMASK,$leasetime"	
+	append args "-F $START,$END,$NETMASK,$leasetime${options:+ $options}"
 }
 
 start() {