[polari] Use glib preset for i18n

[Piotr Drąg <piotrdrag src gnome org>]

commit cf03cf0643dbb2355a13cc942addc0d32dbb20ce
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Jun 13 15:56:24 2017 +0200

    Use glib preset for i18n
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783747

 po/meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/meson.build b/po/meson.build
index dd7d7aa..029e4e9 100644
--- a/po/meson.build
+++ b/po/meson.build
@@ -1 +1 @@
-i18n.gettext('polari', args: ['--from-code=UTF-8'])
+i18n.gettext('polari', preset: 'glib')