[gimp/gimp-2-10] app: run gtk_widget_show() on the new checkbox.

[Jehan <jehanp src gnome org>]

commit c3f93e5fefb9bc3091753836d9a9f03cddfffe78
Author: Jehan <jehan girinstud io>
Date:   Thu Apr 2 18:23:48 2020 +0200

    app: run gtk_widget_show() on the new checkbox.
    
    It was unneeded on master, surely because there must be a
    gtk_widget_show_all() run somewhere down the line.
    
    Also reuse the button widget (not so important, but while I'm at it).

 app/tools/gimpcropoptions.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/app/tools/gimpcropoptions.c b/app/tools/gimpcropoptions.c
index b2112498c0..24c5dabf6c 100644
--- a/app/tools/gimpcropoptions.c
+++ b/app/tools/gimpcropoptions.c
@@ -203,7 +203,6 @@ gimp_crop_options_gui (GimpToolOptions *tool_options)
   GtkWidget *vbox   = gimp_tool_options_gui (tool_options);
   GtkWidget *vbox_rectangle;
   GtkWidget *button;
-  GtkWidget *button2;
   GtkWidget *combo;
   GtkWidget *frame;
 
@@ -213,11 +212,12 @@ gimp_crop_options_gui (GimpToolOptions *tool_options)
   gtk_widget_show (button);
 
   /*  delete pixels toggle  */
-  button2 = gimp_prop_check_button_new (config, "delete-pixels", NULL);
-  gtk_box_pack_start (GTK_BOX (vbox), button2, FALSE, FALSE, 0);
+  button = gimp_prop_check_button_new (config, "delete-pixels", NULL);
+  gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+  gtk_widget_show (button);
 
   g_object_bind_property (G_OBJECT (config),  "layer-only",
-                          G_OBJECT (button2), "sensitive",
+                          G_OBJECT (button), "sensitive",
                           G_BINDING_SYNC_CREATE |
                           G_BINDING_INVERT_BOOLEAN);