crtdefs.h: Moved remaining typedefs from _mingw.h to crtdefs.h.

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6536 4407c894-4637-0410-b4f5-ada5f102cad1
Restructure header, add winapi-family checks


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6537 4407c894-4637-0410-b4f5-ada5f102cad1
Make naptypes IDL-based autogenerated.


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6538 4407c894-4637-0410-b4f5-ada5f102cad1