afxv_w32.h (apparently included indirectly viw edit_gui_common.h)
complained that windows.h (included indirectly via DebuggerServer.h
-> platform.h) was included first, apparently that's not allowed..
this was broken by the recent "fix mingw build" commit; now hopefully
both work (MinGW doesn't support building the tools, because they need MFC
which only works with MSVC)
<intrin.h>, included by SDL_cpuinfo.h via SDL.h, defines strcmp.
If the idlib/Str.h `#define strcmp idStr::Cmp` hack is visible when
that file is parsed, there's a compiler error (because strcmp in
intrin.h is replaced with idStr::Cmp then).
So I reorderedd includes a bit until it compiled again..
the script paths were wrong, on Linux they were like
"pak000.pk4/script/doom_util.script" while on Windows it's only
"script/doom_util.script".
Fixed idFileSystemLocal::OSPathToRelativePath() to skip ...pk4/
also fixed GCC compile error in Common.cpp
Editor also seems to start, didn't test much further.
Only tested 32bit Windows, I fear the editor code isn't 64bit clean..
I hope I haven't broken anything elsewhere..
