[gtksourceview/wip/exterminate-intltool] i18n: fix domain name

[Sébastien Wilmet <swilmet src gnome org>]

commit 652b4357593fc3d7762e36a2b5b7c6313a819c67
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Aug 12 17:05:58 2015 +0200

    i18n: fix domain name
    
    The GETTEXT_PACKAGE variable is not defined in the generated Makefile,
    so the domain name was empty.

 po/Makevars |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/Makevars b/po/Makevars
index 3a37b16..e0ac653 100644
--- a/po/Makevars
+++ b/po/Makevars
@@ -1,7 +1,7 @@
 # Makefile variables for PO directory in any package using GNU gettext.
 
 # Usually the message domain is the same as the package name.
-DOMAIN = $(GETTEXT_PACKAGE)
+DOMAIN = gtksourceview-3.0
 
 # These two variables depend on the location of this directory.
 subdir = po