[gimp] app: typo: make string translatable

[Hartmut Kuhse <hartmutkuhse src gnome org>]

commit 146b7bde860c5f9868dc8f657cd8a37e826cd6bd
Author: Hartmut Kuhse <hk_priv gmx de>
Date:   Fri Nov 4 16:23:33 2016 +0100

    app: typo: make string translatable

 app/dialogs/layer-options-dialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/dialogs/layer-options-dialog.c b/app/dialogs/layer-options-dialog.c
index b8fd7fd..ecced86 100644
--- a/app/dialogs/layer-options-dialog.c
+++ b/app/dialogs/layer-options-dialog.c
@@ -339,7 +339,7 @@ layer_options_dialog_new (GimpImage                *image,
       GimpContainer *filters;
       GtkWidget     *view;
 
-      frame = gimp_frame_new ("Active Filters");
+      frame = gimp_frame_new (_("Active Filters"));
       gtk_box_pack_start (GTK_BOX (left_vbox), frame, TRUE, TRUE, 0);
       gtk_widget_show (frame);