gnucash stable: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/2f535782 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/a2ca9e28 (commit)
	from  https://github.com/Gnucash/gnucash/commit/2219befd (commit)



commit 2f535782462c1a382812cc106f791c17d0b6b73b
Merge: 2219befd98 a2ca9e28a5
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu May 15 15:03:05 2025 -0700

    Merge Bill Summerfeld's 'have-struct-tm-gmtoff' into stable.

commit a2ca9e28a5623f53f4b0e7eaa4da02c0c8d25c7a
Author: Bill Sommerfeld <sommerfeld at hamachi.org>
Date:   Mon May 5 17:15:07 2025 -0700

    Let cmake probe for the existence of HAVE_STRUCT_TM_GMTOFF



Summary of changes:
 CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)