gnucash master: [category-barchart] reinstate match-lambda

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/6b7ef46d (commit)
	from  https://github.com/Gnucash/gnucash/commit/45cfb893 (commit)



commit 6b7ef46d6aa1e02dc8c2572d3e85d07ab4b9f04c
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Wed Jan 15 07:10:16 2020 +0800

    [category-barchart] reinstate match-lambda



Summary of changes:
 .../report/reports/standard/category-barchart.scm  | 89 ++++++++--------------
 1 file changed, 31 insertions(+), 58 deletions(-)