master updated (6c4559d138 -> 567051410e)

[Paul Eggert]

eggert pushed a change to branch master.

      from  6c4559d138 Properly wait for app thread exit on Haiku
       new  7c17bd2a6d New time-equal-p test
       new  567051410e Port new tests to leap seconds or (TICKS . HZ)


Summary of changes:
 src/timefns.c                           |  3 ++-
 test/lisp/mail/ietf-drums-date-tests.el | 48 +++++++++++----------------------
 test/src/timefns-tests.el               |  4 +++
 3 files changed, 21 insertions(+), 34 deletions(-)