[goobox] include git.mk in appdata

[Paolo Bacchilega <paobac src gnome org>]

commit c9894467ea28b0ed24a1de54ed72a0f885e90a72
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Tue Mar 25 21:34:30 2014 +0100

    include git.mk in appdata

 data/appdata/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/data/appdata/Makefile.am b/data/appdata/Makefile.am
index 37e39fe..55623e5 100644
--- a/data/appdata/Makefile.am
+++ b/data/appdata/Makefile.am
@@ -4,3 +4,5 @@ appdata_DATA = $(appdata_in_files:.xml.in=.xml)
 appdata_in_files = goobox.appdata.xml.in
 EXTRA_DIST = $(appdata_in_files)
 CLEANFILES = $(appdata_DATA)
+
+-include $(top_srcdir)/git.mk