[libstdc++,doc] doc/xml/manual/status_cxx2017.xml: Fix link to N4284

[Gerald Pfeifer]

What difference a single letter can make...

Applied (revision 245257).

Gerald

2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
 
	* doc/xml/manual/status_cxx2017.xml: Fix link to N4284.

Index: doc/xml/manual/status_cxx2017.xml
===================================================================
--- doc/xml/manual/status_cxx2017.xml	(revision 245252)
+++ doc/xml/manual/status_cxx2017.xml	(working copy)
@@ -518,7 +518,7 @@
     <row>
       <entry>Contiguous Iterators </entry>
       <entry>
-	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4284.htm">
+	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4284.html">
 	  N4284
 	</link>
       </entry>