Error: module std.c.stdio import 'FHND_WCHAR' not found

[David Held]

D:\workspace\...>dmd -v
DMD32 D Compiler v2.064
Copyright (c) 1999-2013 by Digital Mars written by Walter Bright
...
D:\workspace\...>type bug1.d
import std.stdio;

void main()
{
}

D:\workspace\...>dmd bug1.d
D:\D\dmd2\windows\bin\..\..\src\phobos\std\stdio.d(35): Error: module 
std.c.stdio import 'FHND_WCHAR' not found
D:\D\dmd2\windows\bin\..\..\src\phobos\std\stdio.d(35): Error: module 
std.c.stdio import 'FHND_TEXT' not found

I just installed 2.064.2 from the 1-click Windows installer.  Everything 
seemed to install ok.  Any ideas?

Dave