Fix timezone east of GMT in Calv

* lisp/calc/calc-forms.el (math-calendar-tzinfo): Make timezone
calculation work east of Greenwich.  Fix proposed by David O'Shea
(bug#34075).
1 job for master in 90 minutes and 2 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
failed #2472
test-all

01:30:02

 
Name Stage Failure
failed
test-all Test The script exceeded the maximum execution time set for the job
  ELC      lisp/wid-edit-tests.elc
GEN lisp/wid-edit-tests.log
ELC lisp/xdg-tests.elc
GEN lisp/xdg-tests.log
ELC lisp/xml-tests.elc
GEN lisp/xml-tests.log
ELC lisp/xt-mouse-tests.elc
Pulling docker image gitlab/gitlab-runner-helper:x86_64-f100a208 ...
ERROR: Job failed: execution took longer than 1h30m0s seconds