messages.xml: Switch link to www.oracle.com to https.

	* doc/xml/manual/messages.xml: Switch link to www.oracle.com
	to https.

From-SVN: r264723

libstdc++-v3/ChangeLog

 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
 
+	* doc/xml/manual/messages.xml: Switch link to www.oracle.com
+	to https.
+
+2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
+	
 	* doc/xml/manual/policy_data_structures_biblio.xml: Update
 	link to Microsoft Component Model Object Technologies.
 

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

@@ -541,7 +541,7 @@ void test01()
   <biblioentry>
       <title>
 	<link xmlns:xlink="http://www.w3.org/1999/xlink"
-	      xlink:href="http://www.oracle.com/technetwork/java/api/index.html">
+	      xlink:href="https://www.oracle.com/technetwork/java/api/index.html">
 	API Specifications, Java Platform
 	</link>
       </title>