app/assets/images/flags/1x1/gb.svg in flag-icons-rails-1.1.2 vs app/assets/images/flags/1x1/gb.svg in flag-icons-rails-2.5.0

@@ -1,6 +1,5 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns="http://www.w3.org/2000/svg" height="512" width="512">
+<svg xmlns="http://www.w3.org/2000/svg" height="512" width="512" viewBox="0 0 512 512">
   <defs>
     <clipPath id="a">
       <path fill-opacity=".67" d="M250 0h500v500H250z"/>
     </clipPath>
   </defs>