master updated (9d20b47ad3 -> 0b16e4e1f1)

[Paul Eggert]

eggert pushed a change to branch master.

      from  9d20b47ad3 Fix scrollbars on macOS 10.13 and below (bug#54623)
       new  d9bffa1f3b ebrowse dumping need not return int
       new  68bc144685 Pacify clang -Wunused-variable
       new  0b16e4e1f1 Update from Gnulib by running admin/merge-gnulib


Summary of changes:
 lib-src/ebrowse.c     | 38 +++++++++++++-------------------------
 lib/fcntl.in.h        |  4 ++++
 lib/gnulib.mk.in      |  5 +++++
 lib/mini-gmp-gnulib.c |  3 ++-
 lib/mini-gmp.c        |  5 ++---
 lib/openat.h          |  2 ++
 lib/regex_internal.c  | 22 ++++++++++------------
 lib/regexec.c         |  5 +++--
 src/coding.c          |  6 ------
 src/process.c         | 13 ++-----------
 10 files changed, 43 insertions(+), 60 deletions(-)