[source] dnsmasq: support log-dhcp option

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/df1804b75cd81743dd9e1bd9fa0c9df37a1afbee

commit df1804b75cd81743dd9e1bd9fa0c9df37a1afbee
Author: Karl Palsson <karlp at etactica.com>
AuthorDate: Mon Oct 31 14:00:06 2016 +0000

    dnsmasq: support log-dhcp option
    
    Helpful when trying to resolve issues with quirky dhcp client devices.
    
    Signed-off-by: Karl Palsson <karlp at etactica.com>
---
 package/network/services/dnsmasq/files/dnsmasq.init | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/network/services/dnsmasq/files/dnsmasq.init b/package/network/services/dnsmasq/files/dnsmasq.init
index 6f5ccfe..7612830 100644
--- a/package/network/services/dnsmasq/files/dnsmasq.init
+++ b/package/network/services/dnsmasq/files/dnsmasq.init
@@ -567,6 +567,7 @@ dnsmasq_start()
 	append_bool "$cfg" fqdn "--dhcp-fqdn"
 	append_bool "$cfg" proxydnssec "--proxy-dnssec"
 	append_bool "$cfg" localservice "--local-service"
+	append_bool "$cfg" logdhcp "--log-dhcp"
 	append_bool "$cfg" quietdhcp "--quiet-dhcp"
 	append_bool "$cfg" sequential_ip "--dhcp-sequential-ip"
 	append_bool "$cfg" allservers "--all-servers"