hint BOOST_NO_INTRINSIC_WCHAR_T (Daryle Walker)

[SVN r8919]

more/microsoft_vcpp.html

@@ -252,7 +252,8 @@ includes <code>&lt;cstddef></code>, which defines defines
 short</code>. Note that this means that the compiler does not see
 <code>wchar_t</code> and <code>unsigned short</code> as distinct
 types, as is required by the standard, and so ambiguities may emanate
-when overloading on <code>wchar_t</code>.
+when overloading on <code>wchar_t</code>.  The macro
+<code>BOOST_NO_INTRINSIC_WCHAR_T</code> is defined in this situation.
 
 <h2>
 Standard Library</h2>