service/dyndns: sort the list alphabetically while at it

src/etc/inc/services.inc

@@ -1595,34 +1595,34 @@ function services_dhcrelay6_configure()
 function services_dyndns_list()
 {
 	return array(
+		'citynetwork' => 'City Network',
+		'cloudflare' => 'CloudFlare',
+		'custom' => 'Custom',
+		'custom-v6' => 'Custom (v6)',
+		'dhs' => 'DHS',
+		'dnsexit' => 'DNSexit',
 		'dnsomatic' => 'DNS-O-Matic',
 		'dyndns' => 'DynDNS (dynamic)',
 		'dyndns-static' => 'DynDNS (static)',
 		'dyndns-custom' => 'DynDNS (custom)',
-		'dhs' => 'DHS',
 		'dyns' => 'DyNS',
 		'easydns' => 'easyDNS',
-		'noip' => 'No-IP',
-		'noip-free' => 'No-IP (free)',
-		'ods' => 'ODS.org',
-		'zoneedit' => 'ZoneEdit',
-		'loopia' => 'Loopia',
+		'eurodns' => 'EuroDNS',
 		'freedns' => 'freeDNS',
-		'dnsexit' => 'DNSexit',
-		'opendns' => 'OpenDNS',
-		'namecheap' => 'Namecheap',
+		'gratisdns' => 'GratisDNS',
 		'he-net' => 'HE.net',
 		'he-net-v6' => 'HE.net (v6)',
 		'he-net-tunnelbroker' => 'HE.net Tunnelbroker',
-		'selfhost' => 'SelfHost',
-		'route53' => 'Route 53',
-		'cloudflare' => 'CloudFlare',
-		'custom' => 'Custom',
-		'custom-v6' => 'Custom (v6)',
-		'eurodns' => 'EuroDNS',
-		'gratisdns' => 'GratisDNS',
+		'loopia' => 'Loopia',
+		'namecheap' => 'Namecheap',
+		'noip' => 'No-IP',
+		'noip-free' => 'No-IP (free)',
+		'ods' => 'ODS.org',
+		'opendns' => 'OpenDNS',
 		'ovh-dynhost' => 'OVH DynHOST',
-		'citynetwork' => 'City Network'
+		'route53' => 'Route 53',
+		'selfhost' => 'SelfHost',
+		'zoneedit' => 'ZoneEdit',
 	);
 }