gnucash maint: Multiple changes pushed

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/b8dad64b (commit)
	 via  https://github.com/Gnucash/gnucash/commit/afea6fd6 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/7ffe0a53 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/9767c863 (commit)
	from  https://github.com/Gnucash/gnucash/commit/a7808f9f (commit)



commit b8dad64b7e333935865f482fea071a8a97601836
Merge: a7808f9f1 afea6fd68
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Thu Jul 29 23:56:38 2021 +0800

    Merge branch 'maint-free-memory' into maint #1086

commit afea6fd68ba81ce61db819788d79be774f9d96d0
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Fri Jul 23 22:17:03 2021 +0800

    [gnc-report.c] free default_font_family
    
    if default_font_family is ".AppleSystemUIFont", it is not freed prior
    to returning "Arial".
    
    also default_font_family is given a g_strdup'd string therefore will
    never be NULL.

commit 7ffe0a53910e6c7830996131e21291e8d842b9d5
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Mon Jul 12 20:08:40 2021 +0800

    [gnc-tree-model-owner.c] owner_list must be freed

commit 9767c8633753954098787f9f6a28bd4b2f88a573
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Mon Jul 12 18:20:52 2021 +0800

    [engine.i] some GLists must be freed



Summary of changes:
 bindings/engine.i                          | 2 ++
 gnucash/gnome-utils/gnc-tree-model-owner.c | 6 ++++++
 gnucash/report/gnc-report.c                | 8 +++++---
 3 files changed, 13 insertions(+), 3 deletions(-)