Add local TTL option to dnsmasq

-T, --local-ttl=<time>
    When replying with information from /etc/hosts or the DHCP leases
file dnsmasq by default sets the time-to-live field to zero, meaning
that the requestor should not itself cache the information. This is
the correct thing to do in almost all situations. This option allows a
time-to-live (in seconds) to be given for these replies. This will
reduce the load on the server at the expense of clients using stale
data under some circumstances.

[jow: change -T to --local--ttl to conform with the other options]

Signed-off-by: Andrew Byrne <openwrt@andy.id.au>

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32623 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/dnsmasq/files/dnsmasq.init

@@ -111,6 +111,7 @@ dnsmasq() {
 	append_parm "$cfg" "resolvfile" "--resolv-file"
 	append_parm "$cfg" "tftp_root" "--tftp-root"
 	append_parm "$cfg" "dhcp_boot" "--dhcp-boot"
+	append_parm "$cfg" "local_ttl" "--local-ttl"
 
 	config_get DOMAIN "$cfg" domain