[colr] minor style fix

src/hb-ot-color-colr-table.hh

@@ -141,7 +141,8 @@ struct COLR
     const BaseGlyphRecord *record = get_base_glyph_record (glyph);
     if (!record) return;
 
-    hb_array_t<const LayerRecord> glyph_layers = (this+layersZ).as_array (numLayers).sub_array (record->firstLayerIdx, record->numLayers);
+    auto glyph_layers = (this+layersZ).as_array (numLayers).sub_array (record->firstLayerIdx,
+								       record->numLayers);
     if (!glyph_layers.length) return;
     related_ids->add_array (&glyph_layers[0].glyphId, glyph_layers.length, LayerRecord::min_size);
   }
@@ -235,7 +236,7 @@ struct COLR
 					      old_record->firstLayerIdx + old_record->numLayers > numLayers))
 				  return hb_pair_t<bool, hb_vector_t<LayerRecord>> (false, out_layers);
 
-          hb_array_t<const LayerRecord> layers = (this+layersZ).as_array (numLayers).sub_array(old_record->firstLayerIdx,
+				auto layers = (this+layersZ).as_array (numLayers).sub_array (old_record->firstLayerIdx,
 											     old_record->numLayers);
 				out_layers.resize (layers.length);
 				for (unsigned int i = 0; i < layers.length; i++) {