maintaining.html: Update LTP project details

LTP moved off sourceforge

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
diff --git a/maintaining.html b/maintaining.html
index 61b7b53..10e9d3a 100644
--- a/maintaining.html
+++ b/maintaining.html
@@ -356,14 +356,16 @@
 
     <p>
         The
-        <a href="http://ltp.sourceforge.net/">LTP</a>
+        <a href="http://linux-test-project.github.io/">LTP</a>
         produces test suites for the Linux kernel.
         Subscribe to the discussion list
-        <a href="http://lists.sourceforge.net/lists/listinfo/ltp-list">here</a>.
+        <a href="https://lists.linux.it/listinfo/ltp">here</a>.
         There are list archives on
         <a href="http://dir.gmane.org/gmane.linux.ltp">gmane</a>
         and
-        <a href="http://marc.info/?l=ltp-list">marc</a>.
+        <a href="http://lists.linux.it/pipermail/ltp/">here</a>.
+	(Pointers to the old project pages on Sourceforge can be found
+	<a href="http://ltp.sourceforge.net/">here</a>.)
     </p>
     <p>
         <strong>Kernel Newbies</strong>