lisp: fix coverity warnings

Type: fix

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ie060b25b5e8c85d9b2037e300723a2b6023c65d1
diff --git a/src/vnet/lisp-cp/control.c b/src/vnet/lisp-cp/control.c
index 78750b9..e4015c7 100644
--- a/src/vnet/lisp-cp/control.c
+++ b/src/vnet/lisp-cp/control.c
@@ -142,6 +142,7 @@
       prefix->fp_proto = FIB_PROTOCOL_IP6;
       memcpy (&prefix->fp_addr.ip6, &addr->ip, sizeof (prefix->fp_addr.ip6));
     }
+  prefix->___fp___pad = 0;
 }
 
 /**