Handle wchar_t as builtin type
Handle wchar_t as builtin type

Turn on 'treat wchar_t as a builtin type' compiler property.

Task-number: QTVSADDINBUG-171
Change-Id: I30aa9a8380d81eaab795f419502568540ea8b070
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@digia.com>

lakiduo/QtAddin,lakiduo/QtAddin,lakiduo/QtAddin,lakiduo/QtAddin,lakiduo/QtAddin,lakiduo/QtAddin