[FE training-materials-updates] Updates according to broken links

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=6c0f9c38e8c7db25c44ec1e06eff9177bd3fc0c3

>---------------------------------------------------------------

commit 6c0f9c38e8c7db25c44ec1e06eff9177bd3fc0c3
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Wed Oct 28 08:59:13 2015 +0100

    Updates according to broken links
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


>---------------------------------------------------------------

6c0f9c38e8c7db25c44ec1e06eff9177bd3fc0c3
 slides/sysdev-embedded-linux/sysdev-embedded-linux.tex | 2 ++
 slides/sysdev-realtime/sysdev-realtime.tex             | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
index aec0591..bf0715b 100644
--- a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
+++ b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
@@ -551,6 +551,8 @@ met:
     share the framebuffer thanks to {\em fusion}
   \item License: LGPL 2.1
   \item \url{http://www.directfb.org}
+	({\bf Caution:} website broken since Oct. 4, 2015. Bad sign
+        for the vitality of the project)
   \end{itemize}
 \end{frame}
 
diff --git a/slides/sysdev-realtime/sysdev-realtime.tex b/slides/sysdev-realtime/sysdev-realtime.tex
index bfcddde..c501db9 100644
--- a/slides/sysdev-realtime/sysdev-realtime.tex
+++ b/slides/sysdev-realtime/sysdev-realtime.tex
@@ -1001,7 +1001,7 @@ cat /sys/kernel/debug/tracing/tracing_max_latency
 
 \begin{frame}
   \frametitle{RTAI}
-  \url{http://www.rtai.org/} - {\bf Real-Time Application Interface for Linux}
+  \url{https://www.rtai.org/} - {\bf Real-Time Application Interface for Linux}
   \begin{itemize}
   \item Created in 1999, by Prof. Paolo Mantegazza (long time
     contributor to RTLinux), Dipartimento di Ingegneria Aerospaziale