[wwwdocs] Update changes.html

[Marek Polacek]

On Wed, Oct 15, 2014 at 12:50:55PM +0200, Richard Biener wrote:
> On Wed, Oct 15, 2014 at 12:21 PM, Marek Polacek <polacek@redhat.com> wrote:
> > A trivial patch to document that the C default has been changed.
> 
> This should be also mentioned at the toplevel "Caveats" section.

Ok, I'll commit the following as well.

Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-5/changes.html,v
retrieving revision 1.17
diff -u -r1.17 changes.html
--- changes.html	15 Oct 2014 10:22:16 -0000	1.17
+++ changes.html	15 Oct 2014 11:08:35 -0000
@@ -12,7 +12,11 @@
 <h1>GCC 5 Release Series<br />Changes, New Features, and Fixes</h1>
 
 
-<!-- h2>Caveats</h2 -->
+<h2>Caveats</h2>
+  <ul>
+    <li>The default mode for C is now <code>-std=gnu11</code> instead of
+        <code>-std=gnu89</code>.</li>
+  </ul>
 
 <h2 id="general">General Optimizer Improvements</h2>
 

	Marek