[PATCH] introduction: update link to IEEE 802

["Michael S. Tsirkin" <mst@redhat.com>]

Looks like all GETIEEE links got broken.
Let's just point to their main page.

VIRTIO-175

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 introduction.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/introduction.tex b/introduction.tex
index c5ccd89..f073898 100644
--- a/introduction.tex
+++ b/introduction.tex
@@ -52,7 +52,7 @@ Levels'', BCP 14, RFC 2119, March 1997. \newline\url{http://www.ietf.org/rfc/rfc
 	PCI-SIG\\
 	\phantomsection\label{intro:IEEE 802}\textbf{[IEEE 802]} &
 	IEEE Standard for Local and Metropolitan Area Networks: Overview and Architecture,
-	\newline\url{http://standards.ieee.org/about/get/802/802.html},
+	\newline\url{http://www.ieee802.org/},
 	IEEE\\
 	\phantomsection\label{intro:SAM}\textbf{[SAM]} &
         SCSI Architectural Model,
-- 
MST