gnucash master: [c++ options] Fix locale dependency in test-gnc-option-scheme-output.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/1eecb9f5 (commit)
	from  https://github.com/Gnucash/gnucash/commit/e9f6bf7a (commit)



commit 1eecb9f5c0d50cd9f409177542f8295182c7f982
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Mar 2 12:19:19 2023 -0800

    [c++ options] Fix locale dependency in test-gnc-option-scheme-output.
    
    Created by using std::to_string() in GncOptionRangeValue::serialize.
    It wraps sprintf that reads the locale. Use ostringstream instead.



Summary of changes:
 bindings/guile/test/test-gnc-option-scheme-output.scm | 2 +-
 libgnucash/engine/gnc-option-impl.cpp                 | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)