[dconf-editor] Fix appdata installation

[Kalev Lember <klember src gnome org>]

commit a51f887042419d721fcb996751b74e528dbabaf5
Author: Kalev Lember <klember redhat com>
Date:   Thu Sep 22 06:28:25 2016 +0200

    Fix appdata installation
    
    Add back @APPSTREAM_XML_RULES@ that got accidentally lost in commit
    8ae85f0.

 editor/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/editor/Makefile.am b/editor/Makefile.am
index 3ef2952..a3d13c1 100644
--- a/editor/Makefile.am
+++ b/editor/Makefile.am
@@ -68,6 +68,7 @@ ca.desrt.dconf-editor.service: Makefile
                     echo 'Exec=${bindir}/dconf-editor --gapplication-service') > $@.tmp && \
                     mv $@.tmp $@
 
+@APPSTREAM_XML_RULES@
 appstream_in_files = ca.desrt.dconf-editor.appdata.xml.in
 appstream_XML = $(appstream_in_files:.xml.in=.xml)
 @INTLTOOL_XML_RULE@