gnucash maint: Use scm_from_locale_string for converting command-line input.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/e8da10ba (commit)
	from  https://github.com/Gnucash/gnucash/commit/ff318255 (commit)



commit e8da10ba2ea3ca6c2b47dc2c4d96b905f80e22c9
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Aug 8 15:01:33 2020 -0700

    Use scm_from_locale_string for converting command-line input.
    
    Because Windows generally can't enter UTF8 on the command line.



Summary of changes:
 gnucash/gnucash-commands.cpp | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)