Geoip: Import libmaxminddb library which supports Geoip2 databases.

dlls/geoip/GeoIP2/maxminddb_config.h

@@ -0,0 +1,16 @@
+#ifndef MAXMINDDB_CONFIG_H
+#define MAXMINDDB_CONFIG_H
+
+#define PACKAGE_VERSION "0.5.6" 
+
+#ifndef MMDB_UINT128_USING_MODE
+/* Define as 1 if we we use unsigned int __atribute__ ((__mode__(TI))) for uint128 values */
+#define MMDB_UINT128_USING_MODE 0
+#endif
+
+#ifndef MMDB_UINT128_IS_BYTE_ARRAY
+/* Define as 1 if we don't have an unsigned __int128 type */
+#define MMDB_UINT128_IS_BYTE_ARRAY 1
+#endif
+
+#endif                          /* MAXMINDDB_CONFIG_H */