yar 6962d02957 When searching for a unique file name in guniquefd(),
distinguish between the cases of an existing file and
a real system error, such as I/O failure, no access etc.

MFC after:	3 days
2003-01-29 17:04:07 +00:00
..
2003-01-20 10:33:35 +00:00
2002-12-27 12:15:40 +00:00