[gtksourceview/gnome-3-16] Fix make distcheck

[Sébastien Wilmet <swilmet src gnome org>]

commit db218e5c8d9bc20c1efa893e6a6f2b29ed479943
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Jan 13 21:55:11 2016 +0100

    Fix make distcheck
    
    The problem is fixed on the master branch since upstream gettext is used
    there. So apply the dirty fix on the gnome-3-16 branch.

 po/POTFILES.skip |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 6d0663f..39fa32a 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,5 +1,6 @@
 data/styles/testdark.xml
 docs/reference/lang-tutorial.xml
+sub/docs/reference/lang-tutorial.xml
 tests/test-completion.ui
 tests/test-search.ui
 tests/test-widget.ui