[network-manager-vpnc/NETWORKMANAGER_0_7] doc: add link to Cisco PCF file format documentation

[Dan Williams <dcbw src gnome org>]

commit 86f00eee0f6c57d9a886a8a3699b2561179fc197
Author: Dan Williams <dcbw redhat com>
Date:   Wed Jan 13 12:20:57 2010 -0800

    doc: add link to Cisco PCF file format documentation

 properties/pcf-file.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/properties/pcf-file.c b/properties/pcf-file.c
index ed8523c..b835b6c 100644
--- a/properties/pcf-file.c
+++ b/properties/pcf-file.c
@@ -19,6 +19,12 @@
  * (C) Copyright 2007 - 2008 Novell, Inc.
  */
 
+/* See the following link for more information on PCF file format and keys:
+ *
+ * http://www.cisco.com/en/US/products/sw/secursw/ps2308/products_administration_guide_chapter09186a00800bd98d.html#wp1169242
+ *
+ */
+
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>