keeps its own idea about what a wchar_t is and that was still a short.
This of course made the data structure of a streambuf incompatible with the
"lower" half - the glibc part - causing (potentially all sorts of) crashes
when these classes were used.
This should fix the crash of gensyscalls when building haiku natively
on a gcc2-haiku.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31462 a95241bf-73f2-0310-859d-f6bbb57e9c96