Yaroslav Tykhiy c452fbe11c Disallow invalid numeric mode values for SITE CHMOD.
Earlier, a decimal number (e.g., 890) could be passed
for mode, leading to dangerous permissions set:
-1, that is, 07777.

Obtained from:	OpenBSD
MFC after:	1 week
2002-08-05 14:10:57 +00:00
..
2002-07-17 05:47:49 +00:00