confbase.h error in SVN trunk

[Julian Smart]

appbase.cpp
..\..\include\wx/confbase.h(216) : error C2668: 'Read' : ambiguous call 
to overloaded function
..\..\include\wx/confbase.h(251) : error C2668: 'Write' : ambiguous call 
to overloaded function
..\..\include\wx/confbase.h(253) : error C2668: 'Write' : ambiguous call 
to overloaded function
..\..\include\wx/confbase.h(256) : error C2668: 'Write' : ambiguous call 
to overloaded function
NMAKE : fatal error U1077: 'cl' : return code '0x2'
Stop.

This is with VC++ 6, Unicode=1.

Thanks,

Julian