Merge pull request #498 from steveWang/feedburner

Update feedburner URLs.

Author: axgillies

_layouts/blog.html

@@ -20,7 +20,7 @@ <h1>{{page.title}}</h1>
     title="Subscribe to Abseil Blog &amp; Tips"
     rel="alternate"
     type="application/rss+xml">
-    <img src="//feedburner.google.com/fb/images/pub/feed-icon32x32.png"
+    <img src="//gstatic.com/ac/dashboard/feedburner-32.png"
          alt="Subscribe to the Abseil Blog" style="border:0;">
     </img>
 </a>

_layouts/fast.html

@@ -21,7 +21,7 @@ <h1>{{page.title}}</h1>
     title="Subscribe to Abseil Blog &amp; Tips"
     rel="alternate"
     type="application/rss+xml">
-    <img src="//feedburner.google.com/fb/images/pub/feed-icon32x32.png"
+    <img src="//gstatic.com/ac/dashboard/feedburner-32.png"
          alt="Subscribe to the Abseil Blog" style="border:0;">
     </img>
 </a>

_layouts/tips.html

@@ -21,7 +21,7 @@ <h1>{{page.title}}</h1>
     title="Subscribe to Abseil Blog &amp; Tips"
     rel="alternate"
     type="application/rss+xml">
-    <img src="//feedburner.google.com/fb/images/pub/feed-icon32x32.png"
+    <img src="//gstatic.com/ac/dashboard/feedburner-32.png"
          alt="Subscribe to the Abseil Blog" style="border:0;">
     </img>
 </a>