[mutter] wayland: Make MetaWaylandSurfaceRoleCursor derivable



commit 074b0d6b2aea82ae09b23dccbd0999b00f9901f3
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu May 12 15:55:36 2016 +0200

    wayland: Make MetaWaylandSurfaceRoleCursor derivable

 src/wayland/meta-wayland-surface-role-cursor.h |   13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/src/wayland/meta-wayland-surface-role-cursor.h b/src/wayland/meta-wayland-surface-role-cursor.h
index 16ab8eb..b6d6d4a 100644
--- a/src/wayland/meta-wayland-surface-role-cursor.h
+++ b/src/wayland/meta-wayland-surface-role-cursor.h
@@ -25,11 +25,16 @@
 #include "meta-wayland-surface.h"
 #include "backends/meta-cursor-renderer.h"
 
+struct _MetaWaylandSurfaceRoleCursorClass
+{
+  MetaWaylandSurfaceRoleClass parent_class;
+};
+
 #define META_TYPE_WAYLAND_SURFACE_ROLE_CURSOR (meta_wayland_surface_role_cursor_get_type ())
-G_DECLARE_FINAL_TYPE (MetaWaylandSurfaceRoleCursor,
-                      meta_wayland_surface_role_cursor,
-                      META, WAYLAND_SURFACE_ROLE_CURSOR,
-                      MetaWaylandSurfaceRole);
+G_DECLARE_DERIVABLE_TYPE (MetaWaylandSurfaceRoleCursor,
+                          meta_wayland_surface_role_cursor,
+                          META, WAYLAND_SURFACE_ROLE_CURSOR,
+                          MetaWaylandSurfaceRole);
 
 MetaCursorSprite *   meta_wayland_surface_role_cursor_get_sprite   (MetaWaylandSurfaceRoleCursor 
*cursor_role);
 


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