misc: fix coverity warnings

Type: fix
Ticket: VPP-1837

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I402b1b06db736b2a7a242ce70ffd409c7c0a4fc2
diff --git a/src/vnet/lisp-gpe/lisp_gpe_adjacency.c b/src/vnet/lisp-gpe/lisp_gpe_adjacency.c
index d9c22a4..ffd21a8 100644
--- a/src/vnet/lisp-gpe/lisp_gpe_adjacency.c
+++ b/src/vnet/lisp-gpe/lisp_gpe_adjacency.c
@@ -264,7 +264,7 @@
   key.tunnel_index = ladj->tunnel_index;
 
   uword *p = hash_get_mem (lgm->lisp_stats_index_by_key, &key);
-  ASSERT (p);
+  ALWAYS_ASSERT (p);
 
   /* compute payload length starting after GPE */
   u32 bytes = b->current_length - (lisp_data - b->data - b->current_data);