winapi: windns: Fix TODOs
winapi: dinput: Fix TODOs
winapi: wincrypt: Fix up TODOs
winapi: Fix CAST_MIB_INFO TODO
winapi: bcrypt: Fix TODO
winapi: Remove lots of probably unnecessary & complex macros
winapi: intrin: Remove _setjmp[ex]

These should probably be handled by FB's CRT headers...
winapi: winnt: Fix TODOs
winapi: winnt: Fix VER_SET_CONDITION TODO
winapi: winnt: Fix TODO
winapi: aclui: Translate __declspec(selectany) as Extern

This isn't completely correct, but it seems to work at least with
IID_ISecurityInformation (apparently that variable is also provided by
some MinGW-w64 lib) and it matches fbc's existing headers.
winapi: shobjidl: Fix TODOs
winapi: shlobj: Fix TODOs
winapi: oleauto: Fix TODOs
winapi: d3drmdef: Fix TODO

also see http://sourceforge.net/p/mingw-w64/bugs/448/
winapi: olectl: Fix TODO
winapi: mmreg: Fix TODOs
winapi: raw: Fix TODOs
winapi: commctrl: Fix HANDLE_WM_NOTIFY/FORWARD_WM_NOTIFY
winapi: commctrl: Fix ListView_GetItemRect