gnucash maint: Fix another may be used uninitialized warning

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/353a3812 (commit)
	from  https://github.com/Gnucash/gnucash/commit/ff5e7657 (commit)



commit 353a3812aa93f29a8ca4901ed37bcb110673d289
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Fri Dec 7 11:55:30 2018 +0100

    Fix another may be used uninitialized warning



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