[dconf-editor] Update DTD.

[Arnaud B. <arnaudb src gnome org>]

commit 03766a2340de9715a9fc1ec9902659ff1727760d
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed May 8 07:11:02 2019 +0200

    Update DTD.
    
    Following glib's 3d9a896f2b.

 editor/ca.desrt.dconf-editor.gschema.xml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/editor/ca.desrt.dconf-editor.gschema.xml b/editor/ca.desrt.dconf-editor.gschema.xml
index 86a4a25..8e40904 100644
--- a/editor/ca.desrt.dconf-editor.gschema.xml
+++ b/editor/ca.desrt.dconf-editor.gschema.xml
@@ -68,7 +68,8 @@
   <!ELEMENT aliases (alias+) >
   <!-- each alias element specifies an alias for one of the possible values -->
   <!ELEMENT alias EMPTY >
-  <!ATTLIST alias value CDATA #REQUIRED >
+  <!ATTLIST alias value  CDATA #REQUIRED
+                  targed CDATA #REQUIRED >
 
   <!ELEMENT child EMPTY >
   <!ATTLIST child name   CDATA #REQUIRED