gettext

f69c58d4 - po: When doing msgmerge --version, use the correct msgmerge program.

po: When doing msgmerge --version, use the correct msgmerge program. This reverts the patch from <https://lists.gnu.org/archive/html/bug-gettext/2015-06/msg00000.html>. Rationale: <https://lists.gnu.org/archive/html/bug-gettext/2018-10/msg00000.html>. * gettext-runtime/po/Makefile.in.in ($(POFILES)): Use $(MSGMERGE_UPDATE), not $(MSGMERGE).