d3dtypes.h fix from wine repo (5deab783e2a18fa2819d99e7ba3b197a189bb3b4) Fix compile error in d3dtypes.h for c++ programs that define D3D_OVERLOADS git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/branches/releases/v1.0@4195 4407c894-4637-0410-b4f5-ada5f102cad1