Adjust URL in libstdc++ manual to use https

	* doc/xml/manual/abi.xml: Adjust URL to use https.
	* doc/html/manual/*: Regenerate.

From-SVN: r236837

libstdc++-v3/ChangeLog

+2016-05-27  Jonathan Wakely  <jwakely@redhat.com>
+
+	* doc/xml/manual/abi.xml: Adjust URL to use https.
+	* doc/html/manual/*: Regenerate.
+
 2016-05-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
 
 	PR libstdc++/66338

libstdc++-v3/doc/html/manual/abi.html

@@ -506,7 +506,7 @@ gcc test.c -g -O2 -L. -lone -ltwo /usr/lib/libstdc++.so.5 /usr/lib/libstdc++.so.
       Sun Studio 11: C++ Migration Guide (document 819-3689)
 	</a>
       </em>. </span></p></div><div class="biblioentry"><a id="id-1.3.6.3.6.10.7"></a><p><span class="title"><em>
-	<a class="link" href="http://www.akkadia.org/drepper/dsohowto.pdf" target="_top">
+	<a class="link" href="https://www.akkadia.org/drepper/dsohowto.pdf" target="_top">
       How to Write Shared Libraries
 	</a>
       </em>. </span><span class="author"><span class="firstname">Ulrich</span> <span class="surname">Drepper</span>. </span></p></div><div class="biblioentry"><a id="id-1.3.6.3.6.10.8"></a><p><span class="title"><em>

libstdc++-v3/doc/xml/manual/abi.xml

@@ -1131,7 +1131,7 @@ gcc test.c -g -O2 -L. -lone -ltwo /usr/lib/libstdc++.so.5 /usr/lib/libstdc++.so.
   <biblioentry>
       <title>
 	<link xmlns:xlink="http://www.w3.org/1999/xlink"
-	      xlink:href="http://www.akkadia.org/drepper/dsohowto.pdf">
+	      xlink:href="https://www.akkadia.org/drepper/dsohowto.pdf">
       How to Write Shared Libraries
 	</link>
       </title>