[wwwdocs] gcc-4.6/porting_to.html -- lists.fedoraproject.org is on https now

[Gerald Pfeifer]

This is the only reference to lists.fedoraproject.org that I
found via http; all others already are https.

Committed.

Index: gcc-4.6/porting_to.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.6/porting_to.html,v
retrieving revision 1.8
diff -u -r1.8 porting_to.html
--- gcc-4.6/porting_to.html	28 Jun 2015 14:54:03 -0000	1.8
+++ gcc-4.6/porting_to.html	28 Feb 2016 19:42:35 -0000
@@ -109,7 +109,7 @@
 
 <p>
 Jakub Jelinek,
- <a href="http://lists.fedoraproject.org/pipermail/devel/2011-February/148523.html">GCC
+ <a href="https://lists.fedoraproject.org/pipermail/devel/2011-February/148523.html">GCC
 4.6 related common package rebuild failures (was Re: mass rebuild status)</a>
 </p>