Synching VC14 and VC15, fixed some (more) warnings.

src/win/win_ddraw.cpp

@@ -11,7 +11,7 @@
  * NOTES:	This code should be re-merged into a single init() with a
  *		'fullscreen' argument, indicating FS mode is requested.
  *
- * Version:	@(#)win_ddraw.cpp	1.0.4	2018/04/14
+ * Version:	@(#)win_ddraw.cpp	1.0.5	2018/04/25
  *
  * Authors:	Fred N. van Kempen, <decwiz@yahoo.com>
  *		Miran Grca, <mgrca8@gmail.com>
@@ -50,6 +50,9 @@
 #endif
 #include "../emu.h"
 #include "../device.h"
+#ifdef _MSC_VER
+# pragma warning(disable: 4200)
+#endif
 #include "../video/video.h"
 #include "../plat.h"
 #include "../ui.h"