gnucash maint: Fix docker command from previous.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/15cd3596 (commit)
	from  https://github.com/Gnucash/gnucash/commit/24cf5a20 (commit)



commit 15cd3596a9881cc91cf1442b33bdd8bfebe85778
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Oct 19 10:29:57 2018 -0700

    Fix docker command from previous.



Summary of changes:
 util/ci/ubuntu-14.04-docker | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)