Win Octaforge isn't working - Winapifamily.h

[HeidlBaer]

OS Win 8.1, CodeBlock 2013 MinGW or TDM-GCC compiler error

||=== Build: client32 in octaforge (compiler: GNU GCC Compiler) ===|
..\platform_windows\include\SDL_platform.h|121|fatal error: winapifamily.h: No such file or directory|
||=== Build failed: 1 error(s), 0 warning(s) (0 minute(s), 0 second(s)) ===|

It is the delivered SDL stuff (I loaded the new one => the same), but I don't know what to do. SDL normally works fine.