gnucash maint: Multiple changes pushed

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/0b0e96c5 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/d009ba3d (commit)
	 via  https://github.com/Gnucash/gnucash/commit/6605a6eb (commit)
	 via  https://github.com/Gnucash/gnucash/commit/9f09be4b (commit)
	from  https://github.com/Gnucash/gnucash/commit/e6b97849 (commit)



commit 0b0e96c500bb91e9e8c09039b833888ec970a629
Merge: d009ba3dc 9f09be4b6
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Thu Jan 14 23:07:27 2021 +0800

    Merge branch 'fix-memory-leak' of git://github.com/renatoaguiar/gnucash into maint #876

commit d009ba3dc883ff00a4fd8c6e9c35ae5b101a0414
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Thu Jan 14 23:00:18 2021 +0800

    Bug 798078 - Report 'Income Chart' prints stacktrace when end date before start date

commit 6605a6eb6621edd6bc5dc7326568ef812af17533
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Thu Jan 14 22:53:59 2021 +0800

    [category-barchart] refactor, handling error conditions first

commit 9f09be4b648a1519909c99b15a2144d649b0429f
Author: Renato Aguiar <renato at renatoaguiar.net>
Date:   Thu Jan 14 06:49:46 2021 -0800

    Fix memory leak in import-export



Summary of changes:
 gnucash/import-export/import-main-matcher.c        |   4 +-
 .../report/reports/standard/category-barchart.scm  | 797 ++++++++++-----------
 2 files changed, 394 insertions(+), 407 deletions(-)