Fix buggy template.

templates/account.html

@@ -3,7 +3,7 @@
 	<h2>Account settings</h2>
 	<ul>
                 <li><a href="/accountsetpw">change password</a></li>
-                <li><a href="/accountsetpw">change mail address</a></li>
+                <li><a href="/accountsetmail">change mail address</a></li>
 	</ul>
 </section>
 {{ template "footer" }}