[gnome-boxes] POTFILES: Workaround an intltool bug

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit e292ce0e641c81b367b3f6833877b75c78a32b10
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Jun 24 15:28:38 2015 +0100

    POTFILES: Workaround an intltool bug
    
    --- Partial build log ---
    srcdir=../../../po /usr/bin/intltool-update -m
    The following files contain translations and are currently not in use.
    Please
    consider adding these to the POTFILES.in file, located in the po/
    directory.
    
    sub/data/org.gnome.Boxes.desktop.in
    ------
    
    <halfline> zeenix: i know about that problem
    <halfline> intltool has a bug in it that breaks with newer autogoo
    <halfline> workaround is to have two entries in POTFILES.skip
    <halfline> one with the sub/ prefix

 po/POTFILES.skip |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 60e84f8..5540cfa 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,4 +1,6 @@
 data/org.gnome.Boxes.desktop.in
+# Have to list it twice because of a intltool bug
+sub/data/org.gnome.Boxes.desktop.in
 data/org.gnome.boxes.gschema.xml.in.in
 src/actions-popover.c
 src/app.c