gnucash stable: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/be46171d (commit)
	 via  https://github.com/Gnucash/gnucash/commit/1f6a0c01 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/02510467 (commit)
	from  https://github.com/Gnucash/gnucash/commit/c4317b90 (commit)



commit be46171d02472fe1180e762290a2f42ff19e8028
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Jan 1 17:41:08 2026 -0800

    Turn of deprecation warning for wstring_convert.
    
    Deprecated in C++17, no replacement until C++26.

commit 1f6a0c019a77246fa514a5795749d0167c342d11
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Jan 1 17:39:51 2026 -0800

    Fix uninitialized variable warning.

commit 025104674759e694d76878ff2865d1fc2df9e444
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Jan 1 17:04:52 2026 -0800

    Fix computation of relative guile paths when guile uses Windows paths.



Summary of changes:
 common/cmake_modules/GncAddSchemeTargets.cmake | 7 ++++++-
 libgnucash/core-utils/test/test-userdata-dir.c | 2 +-
 libgnucash/engine/gnc-datetime.cpp             | 3 +++
 3 files changed, 10 insertions(+), 2 deletions(-)