gnucash maint: txt-to-pot.sh: revert CHARSET change from last commit

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/dd108671 (commit)
	from  https://github.com/Gnucash/gnucash/commit/0f815d9d (commit)



commit dd10867195c6fb5d166c29e7f02ab0f10dbcf76b
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sat Jun 29 12:53:44 2019 +0200

    txt-to-pot.sh: revert CHARSET change from last commit



Summary of changes:
 po/glossary/txt-to-pot.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)