[gnome-sudoku] Run appdata-validate at 'make check'

[Michael Catanzaro <mcatanzaro src gnome org>]

commit ca2f7ea4ecc9193f28b65bc9a14b7cec97d749b0
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Sep 30 19:47:47 2013 -0500

    Run appdata-validate at 'make check'

 configure.ac     |    2 ++
 data/Makefile.am |    3 +++
 2 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 66eae20..c0e8798 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,6 +18,8 @@ PKG_CHECK_MODULES(PYGOBJECT, [
     pygobject-3.0 >= $PYGOBJECT_REQUIRED
 ])
 
+AC_PATH_PROG(APPDATA_VALIDATE, appdata-validate)
+
 dnl ###########################################################################
 dnl Internationalization
 dnl ###########################################################################
diff --git a/data/Makefile.am b/data/Makefile.am
index 8147db8..566bb60 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -41,4 +41,7 @@ EXTRA_DIST = \
 CLEANFILES = \
        $(desktop_DATA)
 
+check-local: $(appdata_DATA)
+       $(APPDATA_VALIDATE) $(appdata_DATA)
+
 -include $(top_srcdir)/git.mk