[regexxer] Add more options to XGETTEXT_OPTIONS in po/Makevars

[Piotr Drąg <piotrdrag src gnome org>]

commit 5e65fd4aa5f1ca2e855ff7ddf6cd6e88368f3724
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Sep 12 20:03:17 2016 +0200

    Add more options to XGETTEXT_OPTIONS in po/Makevars

 po/Makevars |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/Makevars b/po/Makevars
index 108531a..94bfad5 100644
--- a/po/Makevars
+++ b/po/Makevars
@@ -22,6 +22,6 @@ subdir = po
 top_builddir = ..
 
 # Only extract explicitely tagged comments into PO files.
-XGETTEXT_OPTIONS = --add-comments=TRANSLATORS --keyword=_ --keyword=N_ --keyword=translate --qt
+XGETTEXT_OPTIONS = --from-code=UTF-8 --add-comments=TRANSLATORS --keyword=_ --keyword=N_ --keyword=C_:1c,2 
--keyword=NC_:1c,2 --keyword=g_dngettext:2,3 --keyword=translate --qt
 
 MSGID_BUGS_ADDRESS = http://regexxer.sourceforge.net/bugs