added st_unreference_framebuffer()

src/mesa/state_tracker/st_framebuffer.c

@@ -105,3 +105,10 @@ void st_resize_framebuffer( struct st_framebuffer *stfb,
    }
 }
 
+
+void st_unreference_framebuffer( struct st_framebuffer **stfb )
+{
+   _mesa_unreference_framebuffer((struct gl_framebuffer **) stfb);
+}
+
+

src/mesa/state_tracker/st_public.h

@@ -48,9 +48,11 @@ void st_destroy_context2( struct st_context *st );
 
 struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual );
 
-void st_resize_framebuffer( struct st_framebuffer *,
+void st_resize_framebuffer( struct st_framebuffer *stfb,
                             GLuint width, GLuint height );
 
+void st_unreference_framebuffer( struct st_framebuffer **stfb );
+
 void st_make_current(struct st_context *st,
                      struct st_framebuffer *draw,
                      struct st_framebuffer *read);