gnucash maint: Bug 796766 - Credit note creating 'imbalance' with wrong entries

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/d87fa3a5 (commit)
	from  https://github.com/Gnucash/gnucash/commit/69fef827 (commit)



commit d87fa3a5bed0b948f28651bf8b0897373cc7110e
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Mon Aug 6 13:29:12 2018 +0200

    Bug 796766 - Credit note creating 'imbalance' with wrong entries
    
    Add fix and regression test.



Summary of changes:
 libgnucash/engine/gncInvoice.c         |   7 +-
 libgnucash/engine/test/utest-Invoice.c | 156 +++++++++++++++++++++++++++++----
 2 files changed, 144 insertions(+), 19 deletions(-)