[gimp] plug-ins: update more script-fu scripts.

[Jehan <jehanp src gnome org>]

commit 7dda738e8b0ac23e4fc7c33d68feeaca109c7cf1
Author: Jehan <jehan girinstud io>
Date:   Sun Jun 20 13:18:42 2021 +0200

    plug-ins: update more script-fu scripts.
    
    (gimp-image-get|set-active-layer) now ported into calls to
    (gimp-image-get|set-selected-layers).

 plug-ins/script-fu/scripts/distress-selection.scm | 4 ++--
 plug-ins/script-fu/scripts/drop-shadow.scm        | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/plug-ins/script-fu/scripts/distress-selection.scm 
b/plug-ins/script-fu/scripts/distress-selection.scm
index afcd1bff8b..45376bb3a3 100644
--- a/plug-ins/script-fu/scripts/distress-selection.scm
+++ b/plug-ins/script-fu/scripts/distress-selection.scm
@@ -35,7 +35,7 @@
        (theHeight (car (gimp-image-get-height inImage)))
        (theLayer 0)
        (theMode (car (gimp-image-get-base-type inImage)))
-       (prevLayer (car (gimp-image-get-active-layer inImage)))
+       (prevLayers (gimp-image-get-selected-layers inImage))
        )
 
     (gimp-context-push)
@@ -93,7 +93,7 @@
       )
     (gimp-image-undo-group-end theImage)
 
-    (gimp-image-set-active-layer theImage prevLayer)
+    (gimp-image-set-selected-layers theImage (car prevLayers) (cadr prevLayers))
 
     (gimp-displays-flush)
     (gimp-context-pop)
diff --git a/plug-ins/script-fu/scripts/drop-shadow.scm b/plug-ins/script-fu/scripts/drop-shadow.scm
index 886847ffad..5d0acecb5b 100644
--- a/plug-ins/script-fu/scripts/drop-shadow.scm
+++ b/plug-ins/script-fu/scripts/drop-shadow.scm
@@ -58,7 +58,7 @@
   (gimp-context-push)
   (gimp-context-set-defaults)
 
-  (gimp-image-set-active-layer image drawable)
+  (gimp-image-set-selected-layers image 1 (make-vector 1 drawable))
 
   (gimp-image-undo-group-start image)
 
@@ -128,7 +128,7 @@
                                             "Drop Shadow"
                                             shadow-opacity
                                             LAYER-MODE-NORMAL)))
-    (gimp-image-set-active-layer image drawable)
+    (gimp-image-set-selected-layers image 1 (make-vector 1 drawable))
     (gimp-image-insert-layer image shadow-layer 0 -1)
     (gimp-layer-set-offsets shadow-layer
                             shadow-offset-x
@@ -158,7 +158,7 @@
        (= from-selection FALSE))
       (gimp-image-raise-item image drawable))
 
-  (gimp-image-set-active-layer image drawable)
+  (gimp-image-set-selected-layers image 1 (make-vector 1 drawable))
   (gimp-image-undo-group-end image)
   (gimp-displays-flush)