[gimp] app: fix function signature

[Kristian Rietveld <kristian src gnome org>]

commit 6b6baa6b9162b757cd6f25adf7f3b8aecbcd2897
Author: Kristian Rietveld <kris loopnest org>
Date:   Fri Jan 9 23:47:13 2015 +0100

    app: fix function signature

 app/widgets/gimpviewablebox.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/widgets/gimpviewablebox.c b/app/widgets/gimpviewablebox.c
index 2f132d1..28da83e 100644
--- a/app/widgets/gimpviewablebox.c
+++ b/app/widgets/gimpviewablebox.c
@@ -51,7 +51,7 @@ static GtkWidget * gimp_viewable_box_new       (GimpContainer *container,
                                                 const gchar   *label,
                                                 gint           spacing,
                                                 GimpViewType   view_type,
-                                                GimpViewType   button_view_size,
+                                                GimpViewSize   button_view_size,
                                                 GimpViewSize   view_size,
                                                 const gchar   *dialog_identifier,
                                                 const gchar   *dialog_icon_name,
@@ -513,7 +513,7 @@ gimp_viewable_box_new (GimpContainer *container,
                        const gchar   *label,
                        gint           spacing,
                        GimpViewType   view_type,
-                       GimpViewType   button_view_size,
+                       GimpViewSize   button_view_size,
                        GimpViewSize   view_size,
                        const gchar   *dialog_identifier,
                        const gchar   *dialog_icon_name,