[tz] make traditional_tarballs fails on macOS for 2022b

[Paul Eggert]

On 8/12/22 10:55, Deborah Goldsmith wrote:
> zdump only works on zoneinfo files that have been installed

zdump should work on any file name beginning with "/", even if it's not 
installed. On Ubuntu:

$ cp /usr/share/zoneinfo/right/America/Los_Angeles /tmp/xxx
$ zdump -V -c 2017,2018 /tmp/xxx
/tmp/xxx  Sat Dec 31 23:59:60 2016 UT = Sat Dec 31 15:59:60 2016 PST 
isdst=0 gmtoff=-28800
/tmp/xxx  Sun Jan  1 00:00:00 2017 UT = Sat Dec 31 16:00:00 2016 PST 
isdst=0 gmtoff=-28800
/tmp/xxx  Sun Mar 12 09:59:59 2017 UT = Sun Mar 12 01:59:59 2017 PST 
isdst=0 gmtoff=-28800
/tmp/xxx  Sun Mar 12 10:00:00 2017 UT = Sun Mar 12 03:00:00 2017 PDT 
isdst=1 gmtoff=-25200
/tmp/xxx  Sun Nov  5 08:59:59 2017 UT = Sun Nov  5 01:59:59 2017 PDT 
isdst=1 gmtoff=-25200
/tmp/xxx  Sun Nov  5 09:00:00 2017 UT = Sun Nov  5 01:00:00 2017 PST 
isdst=0 gmtoff=-28800