Remove header files from po/POTFILES and make sure we have all of our source files
Testing Done:
ran `ninja meson-talkatu-pot` and `ninja meson-talkatu-update-po` to make sure this is all working again. Didn't update po's because we'll do that later when we want to update transifex.
Reviewed at https://reviews.imfreedom.org/r/57/
/*
* talkatu
* Copyright (C) 2017-2019 Gary Kramlich <grim@reaperworld.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.