[gimp] script-fu: undeprecate slide.scm

[Michael Natterer <mitch src gnome org>]

commit 85d9a291a26669aeca643d63df6ec8685d8f4ab9
Author: Michael Natterer <mitch gimp org>
Date:   Mon Aug 12 20:08:55 2019 +0200

    script-fu: undeprecate slide.scm

 plug-ins/script-fu/scripts/slide.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plug-ins/script-fu/scripts/slide.scm b/plug-ins/script-fu/scripts/slide.scm
index 4889d62d4a..e4021c79eb 100644
--- a/plug-ins/script-fu/scripts/slide.scm
+++ b/plug-ins/script-fu/scripts/slide.scm
@@ -210,7 +210,7 @@
     (gimp-drawable-edit-fill film-mask FILL-BACKGROUND)
     (gimp-selection-none image)
     (plug-in-gauss-rle RUN-NONINTERACTIVE image film-mask hole-radius TRUE TRUE)
-    (gimp-threshold film-mask 127 255)
+    (gimp-drawable-threshold film-mask HISTOGRAM-VALUE 0.5 1.0)
 
     (gimp-layer-remove-mask film-layer MASK-APPLY)
   )