[gimp] app: remove "foo && " from "foo && GTK_IS_FOO (foo)"

[Michael Natterer <mitch src gnome org>]

commit d310dacbb12a6159d87ea2adba20d795aeb54868
Author: Michael Natterer <mitch gimp org>
Date:   Sun Oct 9 00:18:56 2011 +0200

    app: remove "foo && " from "foo && GTK_IS_FOO (foo)"

 app/widgets/gimpdialogfactory.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/widgets/gimpdialogfactory.c b/app/widgets/gimpdialogfactory.c
index 8150024..ad49791 100644
--- a/app/widgets/gimpdialogfactory.c
+++ b/app/widgets/gimpdialogfactory.c
@@ -609,7 +609,7 @@ gimp_dialog_factory_dialog_new_internal (GimpDialogFactory *factory,
       toplevel = gtk_widget_get_toplevel (dialog);
     }
 
-  if (present && toplevel != NULL && GTK_IS_WINDOW (toplevel))
+  if (present && GTK_IS_WINDOW (toplevel))
     gtk_window_present (GTK_WINDOW (toplevel));
 
   return dialog;