[eog] po: Re-add workaround for plugin file translations

[Felix Riemann <friemann src gnome org>]

commit 956e8239723fc8bc4a043dc268e5a2a64a7a9817
Author: Felix Riemann <friemann gnome org>
Date:   Tue Feb 20 20:44:56 2018 +0100

    po: Re-add workaround for plugin file translations
    
    gettext doesn't recognize the 'Description' key in plugin files by default
    and needs an additional commandline parameter to do so.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=793658

 po/meson.build |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/po/meson.build b/po/meson.build
index e9b77d7..527d254 100644
--- a/po/meson.build
+++ b/po/meson.build
@@ -1 +1,2 @@
-i18n.gettext(meson.project_name(), preset: 'glib')
+i18n.gettext(meson.project_name(), preset: 'glib',
+             args: [ '--keyword=Description' ])