[gthumb: 1/2] fix callback signature for value-changed signal when setting zoom

[Paolo Bacchilega <paobac src gnome org>]

commit ab05211540e98a45cfb4aed214d9dd7c56895799
Author: Dan Horák <dan danny cz>
Date:   Mon Jun 17 11:34:58 2019 +0200

    fix callback signature for value-changed signal when setting zoom
    
    fixes https://gitlab.gnome.org/GNOME/gthumb/issues/54

 extensions/image_viewer/gth-image-viewer-page.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/extensions/image_viewer/gth-image-viewer-page.c b/extensions/image_viewer/gth-image-viewer-page.c
index bf64b0ec..cede0444 100644
--- a/extensions/image_viewer/gth-image-viewer-page.c
+++ b/extensions/image_viewer/gth-image-viewer-page.c
@@ -587,7 +587,6 @@ update_overview_visibility (GthImageViewerPage *self)
 
 static void
 zoom_scale_value_changed_cb (GtkScale *scale,
-                            gdouble   value,
                             gpointer  user_data)
 {
        GthImageViewerPage *self = user_data;