[gtk/focus-adjustment: 2/6] colorchooser: Fix a crash

[Matthias Clasen <matthiasc src gnome org>]

commit e1915072f99c5856ed8cd7d7149a88efb1059aaa
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Apr 16 17:08:31 2020 -0400

    colorchooser: Fix a crash
    
    Don't crash when we start removing custom colors
    that happen to be currently selected.

 gtk/gtkcolorchooserwidget.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/gtk/gtkcolorchooserwidget.c b/gtk/gtkcolorchooserwidget.c
index a6b3c5cc53..5dbb3b1aa4 100644
--- a/gtk/gtkcolorchooserwidget.c
+++ b/gtk/gtkcolorchooserwidget.c
@@ -794,6 +794,9 @@ add_custom_color (GtkColorChooserWidget *cc,
     {
       GtkWidget *last = gtk_widget_get_last_child (cc->custom);
 
+      if (last == (GtkWidget *)cc->current)
+        cc->current = NULL;
+
       gtk_container_remove (GTK_CONTAINER (cc->custom), last);
     }
   g_list_free (children);