gnucash maint: Msgmerge after source change and fix another typo in de.po

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/71c0a538 (commit)
	from  https://github.com/Gnucash/gnucash/commit/4fe2eb2e (commit)



commit 71c0a538e2d60aa4c7892b19d2f6ed422e519773
Author: fell <frank.h.ellenberger at gmail.com>
Date:   Wed Jan 3 07:44:01 2018 +0100

    Msgmerge after source change and fix another typo in de.po



Summary of changes:
 po/de.po | 11815 +++++++++++++++++++++++++++++++------------------------------
 1 file changed, 5990 insertions(+), 5825 deletions(-)