1.1 --- a/src/thread/windows/SDL_systhread_c.h	Mon Jan 24 21:31:32 2011 -0800
     1.2 +++ b/src/thread/windows/SDL_systhread_c.h	Mon Jan 24 21:41:36 2011 -0800
     1.3 @@ -21,8 +21,13 @@
     1.4  */
     1.5  #include "SDL_config.h"
     1.6  
     1.7 +#ifndef _SDL_systhread_c_h
     1.8 +#define _SDL_systhread_c_h
     1.9 +
    1.10  #include "../../core/windows/SDL_windows.h"
    1.11  
    1.12  typedef HANDLE SYS_ThreadHandle;
    1.13  
    1.14 +#endif /* _SDL_systhread_c_h */
    1.15 +
    1.16  /* vi: set ts=4 sw=4 expandtab: */