After using zic to change timezones, my system date was messed up.  This
also had interactions with cron, and probably other stuff.  The workaround
is obviously to give a full pathname to zic.

I rated this as a glibc problem because rpm -q -f `which zic' reports
glibc-2.1.1-6

% date
Thu Dec  2 16:50:06 /etc/localtime 1999
/* Well, thats a bogus time of day */

# zic -l Canada/Eastern
"command line", line 1: warning: hard link failed, symbolic link used

# ls -l /etc/localtime
lrwxrwxrwx   1 root     root           17 Dec  2 16:55 /etc/localtime ->
../Canada/Eastern

# zic -l /usr/share/zoneinfo/Canada/Eastern
"command line", line 1: warning: hard link failed, symbolic link used

# ls -l /etc/localtime
lrwxrwxrwx   1 root     root           37 Dec  2 11:56 /etc/localtime ->
..//usr/share/zoneinfo/Canada/Eastern