entry: handle NULL cursor when releasing reference

If we happen to have gotten NULL back for a cursor, then we
need to check before unreffing it.

diff --git a/gtk/gtkentry.c b/gtk/gtkentry.c
index 35f9e691a403deede588fbc0dec015d5849ca125..cfe79a707689949c860e7d68f927c25b07dfebd4 100644 (file)
--- a/gtk/gtkentry.c
+++ b/gtk/gtkentry.c
@@ -3364,7 +3364,7 @@ gtk_entry_realize (GtkWidget *widget)
   gtk_widget_register_window (widget, priv->text_area);
 
   if (attributes_mask & GDK_WA_CURSOR)
-    g_object_unref (attributes.cursor);
+    g_clear_object (&attributes.cursor);
 
   gtk_im_context_set_client_window (priv->im_context, priv->text_area);