gnucash stable: [sixtp-utils] string_to_num upgraded to use string_view

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/7c955b45 (commit)
	from  https://github.com/Gnucash/gnucash/commit/f5059f78 (commit)



commit 7c955b452f6cd1b6fa9631a2af4e5450d6523410
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Mon Dec 8 11:13:15 2025 +0800

    [sixtp-utils] string_to_num upgraded to use string_view
    
    so that it can parse const char* and std::string



Summary of changes:
 libgnucash/backend/xml/sixtp-utils.cpp | 43 ++++++++++++++--------------------
 libgnucash/backend/xml/sixtp-utils.h   |  8 +++----
 2 files changed, 22 insertions(+), 29 deletions(-)