cf.svg in flag-icons-rails-3.4.6

- old
+ new

@@ -1,11 +1,11 @@
 <svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-cf" viewBox="0 0 640 480">
   <defs>
-    <clipPath id="a">
+    <clipPath id="cf-a">
       <path fill-opacity=".7" d="M-12.4 32h640v480h-640z"/>
     </clipPath>
   </defs>
-  <g fill-rule="evenodd" clip-path="url(#a)" transform="translate(12.4 -32)">
+  <g fill-rule="evenodd" clip-path="url(#cf-a)" transform="translate(12.4 -32)">
     <path fill="#00f" d="M-52 32h719.3v119H-52z"/>
     <path fill="#ff0" d="M-52 391.6h719.3V512H-52z"/>
     <path fill="#009a00" d="M-52 271.3h719.3v120.3H-52z"/>
     <path fill="#fff" d="M-52 151h719.3v120.3H-52z"/>
     <path fill="red" d="M247.7 32.5h119.9V512H247.7z"/>