Fix yaml marshalling panic.

config.go

@@ -52,7 +52,7 @@ var defaultDNS = []string{"tls://1.1.1.1", "tls://1.0.0.1"}
 
 // field ordering is important -- yaml fields will mirror ordering from here
 type dhcpState struct {
-	dhcpConfig
+	Config dhcpConfig
 	Leases []dhcpLease
 }
 
@@ -98,7 +98,7 @@ var config = configuration{
 		{Filter: dnsfilter.Filter{ID: 3}, Enabled: false, URL: "https://hosts-file.net/ad_servers.txt", Name: "hpHosts - Ad and Tracking servers only"},
 		{Filter: dnsfilter.Filter{ID: 4}, Enabled: false, URL: "http://www.malwaredomainlist.com/hostslist/hosts.txt", Name: "MalwareDomainList.com Hosts List"},
 	},
-	DHCP: dhcpState{dhcpConfig: dhcpConfig{
+	DHCP: dhcpState{Config: dhcpConfig{
 		LeaseDuration: time.Hour * 12,
 	}},
 	SchemaVersion: currentSchemaVersion,

dhcp.go

@@ -8,7 +8,7 @@ import (
 
 func handleDHCPStatus(w http.ResponseWriter, r *http.Request) {
 	status := map[string]interface{}{
-		"config": config.DHCP.dhcpConfig,
+		"config": config.DHCP.Config,
 		"leases": config.DHCP.Leases,
 	}
 
@@ -28,7 +28,7 @@ func handleDHCPSetConfig(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	config.DHCP.dhcpConfig = newconfig
+	config.DHCP.Config = newconfig
 }
 
 // TODO: implement