* pa.h (WCHAR_TYPE): Use "unsigned int" by default.
	(WCHAR_TYPE_SIZE): Change appropriately.
	* pa-ghiux.h, pa-ghpux.h, pa-gux7.h, pa-hiux.h, pa-hpux.h,
	pa-hpux7.h (WCHAR_TYPE): Delete definition.
	(WCHAR_TYPE_SIZE): Likewise.
	* pa-osf.h (WCHAR_TYPE): Override appropriately for OSF1.
	(WCHAR_TYPE_SIZE): Likewise.

From-SVN: r6800