SDL_windows.h is no longer necessary

src/stdlib/SDL_getenv.c

@@ -27,7 +27,8 @@
 
 #if defined(__WIN32__) && !defined(_WIN32_WCE)
 
-#include "SDL_windows.h"
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
 
 /* Note this isn't thread-safe! */
 

src/stdlib/SDL_malloc.c

@@ -485,7 +485,8 @@ DEFAULT_MMAP_THRESHOLD       default: 256K
 #endif  /* _WIN32 */
 #endif  /* WIN32 */
 #ifdef WIN32
-#include "SDL_windows.h"
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
 #define HAVE_MMAP 1
 #define HAVE_MORECORE 0
 #define LACKS_UNISTD_H

src/stdlib/SDL_stdlib.c

@@ -30,6 +30,14 @@
 
 #if defined(_MSC_VER)
 
+#ifndef __FLTUSED__
+#define __FLTUSED__
+#ifdef __cplusplus
+   extern "C"
+#endif
+	   __declspec(selectany) int _fltused=1;
+#endif
+
 /* Float to long */
 void __declspec(naked) _ftol()
 {