[gnome-flashback] Add more options to XGETTEXT_OPTIONS in po/Makevars

[Piotr Drąg <piotrdrag src gnome org>]

commit 150fc29102881cf5a53044aa5b0656e833b36972
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Sep 12 19:41:38 2016 +0200

    Add more options to XGETTEXT_OPTIONS in po/Makevars

 po/Makevars |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/po/Makevars b/po/Makevars
index 61573cc..22f871c 100644
--- a/po/Makevars
+++ b/po/Makevars
@@ -9,11 +9,13 @@ top_builddir = ..
 
 # These options get passed to xgettext.
 XGETTEXT_OPTIONS = \
+  --from-code=UTF-8 --add-comments \
   --keyword=_ --flag=_:1:pass-c-format \
   --keyword=N_ --flag=N_:1:pass-c-format \
   --keyword=C_:1c,2 --flag=C_:1:pass-c-format \
   --keyword=NC_:1c,2 --flag=NC_:1:pass-c-format \
-  --flag=error:3:c-format --flag=error_at_line:5:c-format
+  --keyword=g_dngettext:2,3 --flag=error:3:c-format \
+  --flag=error_at_line:5:c-format
 
 # This is the copyright holder that gets inserted into the header of the
 # $(DOMAIN).pot file.  Set this to the copyright holder of the surrounding