re-add dialog in diva

pkgs/diva/default.nix

@@ -2,6 +2,7 @@
 , stdenv
 , autoPatchelfHook
 , glib
+, gtk3
 }:
 
 stdenv.mkDerivation {
@@ -19,6 +20,7 @@ stdenv.mkDerivation {
 
   buildInputs = [
     glib
+    gtk3
   ];
 
   patchPhase = ''
@@ -26,8 +28,6 @@ stdenv.mkDerivation {
     # Set dest dirs with sed, as all are not configurable
     sed -i 's+HOME/\.+out/lib/+' install.sh
     sed -i 's+DIALOG=$PRODUCT/dialog+DIALOG=echo+' install.sh
-    # Remove cruft
-    rm Diva/dialog.64
   '';
 
   #buildPhase = ''