ksx6924: fix building on Windows

Author: micolous

client/Makefile

@@ -57,7 +57,8 @@ endif
 
 LUAPLATFORM = generic
 ifneq (,$(findstring MINGW,$(platform)))
-		LUAPLATFORM = mingw
+    LUAPLATFORM = mingw
+    LDLIBS += -lws2_32
 else
 	ifeq ($(platform),Darwin)
 		LUAPLATFORM = macosx

client/ksx6924/ksx6924core.c

@@ -21,7 +21,11 @@
 //-----------------------------------------------------------------------------
 
 #include "ksx6924core.h"
-#include <arpa/inet.h>
+#ifdef _WIN32
+# include <winsock2.h> // ntohl
+#else
+# include <arpa/inet.h> // ntohl
+#endif
 #include <string.h>
 #include "emv/emvcore.h"
 #include "emv/apduinfo.h"