[PATCH] WAN: update info page for a bunch of my drivers

Updates generic HDLC info page address, I should have done it
long time ago.

Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c
index b7d88db..e013b81 100644
--- a/drivers/net/wan/n2.c
+++ b/drivers/net/wan/n2.c
@@ -7,7 +7,7 @@
  * under the terms of version 2 of the GNU General Public License
  * as published by the Free Software Foundation.
  *
- * For information see http://hq.pm.waw.pl/hdlc/
+ * For information see <http://www.kernel.org/pub/linux/utils/net/hdlc/>
  *
  * Note: integrated CSU/DSU/DDS are not supported by this driver
  *