[dconf-editor] Require appstream-glib 0.6.1.

[Arnaud Bonatti <arnaudb src gnome org>]

commit 710a80686841c54951013a1366e882dcf2c3de60
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Fri Sep 16 01:15:45 2016 +0200

    Require appstream-glib 0.6.1.

 configure.ac |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 904507b..d96a09a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -30,11 +30,13 @@ GLIB_GSETTINGS
 APPSTREAM_XML
 
 # Dependencies
+APPSTREAM_GLIB_REQUIRED=0.6.1
 DCONF_REQUIRED=0.25.1
 GLIB_REQUIRED=2.46.0
 GTK_REQUIRED=3.21.6
 
 PKG_CHECK_MODULES(DCONF_EDITOR, [
+  appstream-glib >= $APPSTREAM_GLIB_REQUIRED
   glib-2.0 >= $GLIB_REQUIRED
   gtk+-3.0 >= $GTK_REQUIRED
   dconf >= $DCONF_REQUIRED