doc: I have modified the broken links.

R=golang-dev, duperray.olivier, r
CC=adg, golang-dev
https://golang.org/cl/5542054

doc/go1.html

@@ -701,9 +701,9 @@ Since the package's functionality is new, no updating is necessary.
 <h3 id="http">The http package</h3>
 
 <p>
-In Go 1 the <a href="/pkg/http/"><code>http</code></a> package is refactored,
+In Go 1 the <a href="/pkg/net/http/"><code>http</code></a> package is refactored,
 putting some of the utilities into a
-<a href="/pkg/httputil/"><code>httputil</code></a> subdirectory.
+<a href="/pkg/net/httputil/"><code>httputil</code></a> subdirectory.
 These pieces are only rarely needed by HTTP clients.
 The affected items are:
 </p>

doc/go1.tmpl

@@ -605,9 +605,9 @@ Since the package's functionality is new, no updating is necessary.
 <h3 id="http">The http package</h3>
 
 <p>
-In Go 1 the <a href="/pkg/http/"><code>http</code></a> package is refactored,
+In Go 1 the <a href="/pkg/net/http/"><code>http</code></a> package is refactored,
 putting some of the utilities into a
-<a href="/pkg/httputil/"><code>httputil</code></a> subdirectory.
+<a href="/pkg/net/httputil/"><code>httputil</code></a> subdirectory.
 These pieces are only rarely needed by HTTP clients.
 The affected items are:
 </p>