Basic support for LISP-GPE encapsulated NSH packets

Change-Id: I97fedb0f70dd18ed9bbe985407cc5fe714e8a2e2
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/fib/fib_entry_src.c b/src/vnet/fib/fib_entry_src.c
index d54787c..5710915 100644
--- a/src/vnet/fib/fib_entry_src.c
+++ b/src/vnet/fib/fib_entry_src.c
@@ -355,6 +355,7 @@
             break;
         }
         case FIB_FORW_CHAIN_TYPE_ETHERNET:
+        case FIB_FORW_CHAIN_TYPE_NSH:
 	    ASSERT(0);
 	    break;
         }