textbox: merge geometry and extents function

Signed-off-by: Julien Danjou <julien@danjou.info>

widgets/textbox.c

@@ -55,7 +55,7 @@ typedef struct
 } textbox_data_t;
 
 static area_t
-textbox_geometry(widget_t *widget, int screen)
+textbox_extents(lua_State *L, widget_t *widget)
 {
     textbox_data_t *d = widget->data;
     area_t geometry = d->extents;
@@ -75,12 +75,6 @@ textbox_geometry(widget_t *widget, int screen)
     return geometry;
 }
 
-static area_t
-textbox_extents(lua_State *L, widget_t *widget)
-{
-    return textbox_geometry(widget, 0);
-}
-
 /** Draw a textbox widget.
  * \param widget The widget.
  * \param ctx The draw context.