SDL_windows.h is no longer necessary

src/thread/win32/SDL_sysmutex.c

@@ -23,7 +23,8 @@
 
 /* Mutex functions using the Win32 API */
 
-#include "SDL_windows.h"
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
 
 #include "SDL_mutex.h"
 

src/thread/win32/SDL_syssem.c

@@ -23,7 +23,8 @@
 
 /* Semaphore functions using the Win32 API */
 
-#include "SDL_windows.h"
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
 
 #include "SDL_thread.h"
 #if defined(_WIN32_WCE) && (_WIN32_WCE < 300)

src/thread/win32/SDL_systhread.c

@@ -23,7 +23,8 @@
 
 /* Win32 thread management routines for SDL */
 
-#include "SDL_windows.h"
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
 
 #include "SDL_thread.h"
 #include "../SDL_thread_c.h"

src/thread/win32/SDL_systhread_c.h

@@ -21,7 +21,8 @@
 */
 #include "SDL_config.h"
 
-#include "SDL_windows.h"
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
 
 typedef HANDLE SYS_ThreadHandle;
 

src/thread/win32/win_ce_semaphore.c

@@ -28,7 +28,9 @@
       and it is not clear how to handle a mixture of WCE semaphores and normal
       events and mutexes. */
 
-#include "SDL_windows.h"
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
 #include "win_ce_semaphore.h"
 
 static SYNCHHANDLE CleanUp (SYNCHHANDLE hSynch, DWORD Flags);