[gnome-logs] Validate AppData XML during distcheck

[David King <davidk src gnome org>]

commit 40a9077774f9ae475a55de58e475fb0a51c4c1a6
Author: David King <davidk gnome org>
Date:   Tue Dec 17 00:16:47 2013 +0000

    Validate AppData XML during distcheck
    
    Force validation of AppData XML during distcheck, if a recent enough
    version of appdata-tools is available.

 Makefile.am |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 639b2af..944fb9d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,8 @@
 ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 
+DISTCHECK_CONFIGURE_FLAGS = \
+       --enable-appdata-validate
+
 SUBDIRS = po
 
 bin_PROGRAMS = gnome-logs