[hitori] build: Add AppData support to git.mk

[Philip Withnall <pwithnall src gnome org>]

commit 378f6046d3fc3503f7ca9fed607461ad50f1cda1
Author: Philip Withnall <philip tecnocode co uk>
Date:   Fri Dec 20 23:12:25 2013 +0000

    build: Add AppData support to git.mk
    
    This is in the process of being upstreamed:
    https://github.com/behdad/git.mk/pull/14.

 git.mk |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/git.mk b/git.mk
index 18c07f6..e0e27a7 100644
--- a/git.mk
+++ b/git.mk
@@ -45,7 +45,7 @@
 # build dir.
 #
 # This file knows how to handle autoconf, automake, libtool, gtk-doc,
-# gnome-doc-utils, yelp.m4, mallard, intltool, gsettings, dejagnu.
+# gnome-doc-utils, yelp.m4, mallard, intltool, gsettings, dejagnu, appdata.
 #
 # This makefile provides the following targets:
 #
@@ -202,6 +202,11 @@ $(srcdir)/.gitignore: Makefile.am $(top_srcdir)/git.mk
                                $(gsettings__enum_file) \
                        ; do echo "/$$x"; done; \
                fi; \
+               if test "x$(appdata_XML)" = x; then :; else \
+                       for x in \
+                               $(appdata_XML:.xml=.valid) \
+                       ; do echo "/$$x"; done; \
+               fi; \
                if test -f $(srcdir)/po/Makefile.in.in; then \
                        for x in \
                                po/Makefile.in.in \