[gtk] colorchooser: Remove extra custom color

[Timm Bäder <baedert src gnome org>]

commit 2c1198f6c2601b0119911c59c4e75cd07d2a9ed6
Author: Timm Bäder <mail baedert org>
Date:   Sat Dec 29 07:38:55 2018 +0100

    colorchooser: Remove extra custom color

 gtk/gtkcolorchooserwidget.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkcolorchooserwidget.c b/gtk/gtkcolorchooserwidget.c
index 93b8bbc4be..f3216d5b8e 100644
--- a/gtk/gtkcolorchooserwidget.c
+++ b/gtk/gtkcolorchooserwidget.c
@@ -570,7 +570,7 @@ gtk_color_chooser_widget_init (GtkColorChooserWidget *cc)
       connect_custom_signals (p, cc);
       gtk_container_add (GTK_CONTAINER (box), p);
 
-      if (i == 9)
+      if (i == 8)
         break;
     }
   g_variant_unref (variant);