* cppdefault.h (WINT_TYPE): Define.
	* cppinit.c (builtin_array): Define __WINT_TYPE__.
	* tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
	* tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.

From-SVN: r35478