[gtk+] entry: handle NULL cursor when updating cursors

[Christian Hergert <chergert src gnome org>]

commit b684b23c74202cd78dcc1885effcb30c97bea9d8
Author: Christian Hergert <chergert redhat com>
Date:   Tue Sep 27 14:12:43 2016 -0700

    entry: handle NULL cursor when updating cursors
    
    If we got a NULL cursor from gdk_cursor_new_from_name(), we need
    to handle that when unreffing.

 gtk/gtkentry.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkentry.c b/gtk/gtkentry.c
index cfe79a7..79588a1 100644
--- a/gtk/gtkentry.c
+++ b/gtk/gtkentry.c
@@ -3099,7 +3099,7 @@ update_cursors (GtkWidget *widget)
               display = gtk_widget_get_display (widget);
               cursor = gdk_cursor_new_from_name (display, "text");
               gdk_window_set_cursor (icon_info->window, cursor);
-              g_object_unref (cursor);
+              g_clear_object (&cursor);
             }
           else
             {