Minor
diff --git a/src/hb-ot-shape.cc b/src/hb-ot-shape.cc
index 512ffa5..a3c4153 100644
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@@ -541,7 +541,8 @@
 }
 
 hb_bool_t
-_hb_ot_shape (hb_font_t          *font,
+_hb_ot_shape (hb_shape_plan_t    *shape_plan,
+	      hb_font_t          *font,
 	      hb_buffer_t        *buffer,
 	      const hb_feature_t *features,
 	      unsigned int        num_features)