SVGAttributes inherit HTMLAttributes. fixed react-addons.d.ts and react-global.d.ts.

react/react-global.d.ts

@@ -524,9 +524,7 @@ declare module React {
         preserveAspectRatio?: string;
     }
 
-    interface SVGAttributes extends DOMAttributes {
-        ref?: string | ((component: SVGComponent) => void);
-
+    interface SVGAttributes extends HTMLAttributes {
         cx?: number | string;
         cy?: number | string;
         d?: string;