gnucash maint: Fix a typo in README.dependencies

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/63ccaca0 (commit)
	from  https://github.com/Gnucash/gnucash/commit/c7c76c2e (commit)



commit 63ccaca01aa8281410080763669a86a5a8750965
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sat Oct 19 06:22:56 2019 +0200

    Fix a typo in README.dependencies



Summary of changes:
 README.dependencies | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)