[gimp/multi-stroke] app: no need to show the option frame for the default (identity) symmetry.

[Jehan Pagès <jehanp src gnome org>]

commit 01d30dc0d779d4e7733af89cdac7a4be819cb045
Author: Jehan <jehan girinstud io>
Date:   Wed Mar 25 18:04:55 2015 +0100

    app: no need to show the option frame for the default (identity) symmetry.

 app/tools/gimppaintoptions-gui.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/app/tools/gimppaintoptions-gui.c b/app/tools/gimppaintoptions-gui.c
index 60b736e..ab05797 100644
--- a/app/tools/gimppaintoptions-gui.c
+++ b/app/tools/gimppaintoptions-gui.c
@@ -687,6 +687,9 @@ gimp_paint_options_symmetry_ui (GimpSymmetry *sym,
   if (! sym)
     return;
 
+  if (sym->type == GIMP_TYPE_SYMMETRY)
+    return;
+
   klass = g_type_class_ref (sym->type);
   gtk_frame_set_label (GTK_FRAME (frame),
                        klass->label);