gnucash stable: Fix lockup on Windows in completioncell

[Robert Fewell]

Updated	 via  https://github.com/Gnucash/gnucash/commit/853791cb (commit)
	from  https://github.com/Gnucash/gnucash/commit/38118a2a (commit)



commit 853791cbf7dc9354647c74353beec40f2ea55b66
Author: Robert Fewell <14uBobIT at gmail.com>
Date:   Tue Jun 13 15:48:59 2023 +0100

    Fix lockup on Windows in completioncell
    
    Missed updating an 'if' clause which resulted in a negative offset for
    previous character.



Summary of changes:
 gnucash/register/register-gnome/completioncell-gnome.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)