gnucash maint: Parent the AQB balance dialog to the matcher window when it's present.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/3d9faf70 (commit)
	from  https://github.com/Gnucash/gnucash/commit/b6cbc978 (commit)



commit 3d9faf70d8373ef9c05f83ac1c82c318e96f5b7f
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Sep 24 15:01:07 2021 -0700

    Parent the AQB balance dialog to the matcher window when it's present.



Summary of changes:
 gnucash/import-export/aqb/gnc-ab-utils.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)