master updated (5bc3ed492b -> ff7bc01830)

[Paul Eggert]

eggert pushed a change to branch master.

      from  5bc3ed492b Fix race conditions waiting for menu bar resize events 
on Haiku
      adds  4641bc1c55 Fix GC bug in filelock.c
       new  ff7bc01830 Merge from origin/emacs-28


Summary of changes:
 src/filelock.c | 50 ++++++++++++++++++++++++--------------------------
 1 file changed, 24 insertions(+), 26 deletions(-)