get geoip from the net/libmaxminddb,-db port

Index: OpenRA.Game/Network/GeoIP.cs
--- OpenRA.Game/Network/GeoIP.cs.orig
+++ OpenRA.Game/Network/GeoIP.cs
@@ -113,7 +113,7 @@ namespace OpenRA.Network
 
 		static IP2LocationReader database;
 
-		public static void Initialize(string databasePath = "IP2LOCATION-LITE-DB1.IPV6.BIN.ZIP")
+		public static void Initialize(string databasePath = "${LOCALSTATEDIR}/db/GeoIP/GeoLite2-Country.mmdb")
 		{
 			if (!File.Exists(databasePath))
 				return;
@@ -122,7 +122,7 @@ namespace OpenRA.Network
 			{
 				using (var z = new ZipFile(databasePath))
 				{
-					var entry = z.FindEntry("IP2LOCATION-LITE-DB1.IPV6.BIN", false);
+					var entry = z.FindEntry("${LOCALSTATEDIR}/db/GeoIP/GeoLite2-Country.mmdb", false);
 					database = new IP2LocationReader(z.GetInputStream(entry));
 				}
 			}
