zebra: Set link-detect on by default

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: Dinesh G Dutt <ddutt at cumulusnetworks.com>
Reviewed-by: Scott Feldman <sfeldma at cumulusnetworks.com>

Edited by Christian Franke: Fix OSPF Virtual Links
Edited by Donald Sharp: Add NEWS notification

Signed-off-by: Christian Franke <chris@opensourcerouting.org>
Acked-By: paul@jakma.org
diff --git a/NEWS b/NEWS
index 8f9dd7a..155b25c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,11 @@
 Note: this file lists major user-visible changes only.
 
+* Changes in Quagga []
+
+- [zebra] "no link-detect" is no longer the default.  To retain current
+    behavior save your config before updating, else remove it from
+    you config prior to update.
+
 * Changes in Quagga 0.99.24
 
 User-visible changes: