Fixed compiling under Visual Studio

src/timer/SDL_timer.c

@@ -224,7 +224,13 @@ SDL_TimerInit(void)
         }
 
         data->active = SDL_TRUE;
+        /* !!! FIXME: this is nasty. */
+#if (defined(__WIN32__) && !defined(_WIN32_WCE)) && !defined(HAVE_LIBC)
+#undef SDL_CreateThread
+        data->thread = SDL_CreateThread(SDL_TimerThread, data, NULL, NULL);
+#else
         data->thread = SDL_CreateThread(SDL_TimerThread, data);
+#endif
         if (!data->thread) {
             SDL_TimerQuit();
             return -1;

src/timer/windows/SDL_systimer.c

@@ -24,6 +24,7 @@
 #ifdef SDL_TIMER_WINDOWS
 
 #include "../../core/windows/SDL_windows.h"
+#include <mmsystem.h>
 
 #include "SDL_timer.h"
 

test/testatomic.c

@@ -526,7 +526,6 @@ static int FIFO_Reader(void* _data)
     ReaderData *data = (ReaderData *)_data;
     SDL_EventQueue *queue = data->queue;
     SDL_Event event;
-    int index;
 
     if (data->lock_free) {
         for ( ; ; ) {