[colr] Move sanitize() to right place

Sanitize always comes just before data member definitions, so
it's easy to cross-check.

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

@@ -97,14 +97,6 @@ struct COLR
 {
   static const hb_tag_t tableTag = HB_OT_TAG_COLR;
 
-  inline bool sanitize (hb_sanitize_context_t *c) const
-  {
-    TRACE_SANITIZE (this);
-    return_trace (likely (c->check_struct (this) &&
-			  (this+baseGlyphsZ).sanitize (c, numBaseGlyphs) &&
-			  (this+layersZ).sanitize (c, numLayers)));
-  }
-
   inline bool get_base_glyph_record (hb_codepoint_t glyph_id,
 				     unsigned int *first_layer /* OUT */,
 				     unsigned int *num_layers /* OUT */) const
@@ -136,6 +128,14 @@ struct COLR
     return true;
   }
 
+  inline bool sanitize (hb_sanitize_context_t *c) const
+  {
+    TRACE_SANITIZE (this);
+    return_trace (likely (c->check_struct (this) &&
+			  (this+baseGlyphsZ).sanitize (c, numBaseGlyphs) &&
+			  (this+layersZ).sanitize (c, numLayers)));
+  }
+
   protected:
   HBUINT16	version;	/* Table version number */
   HBUINT16	numBaseGlyphs;	/* Number of Base Glyph Records */