Fix Compile errors from clang in FIB2.0 code

Change-Id: Ief769c966888094944b7a6b7f26527e7eff6103f
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/vnet/vnet/fib/fib_path.c b/vnet/vnet/fib/fib_path.c
index e92e233..7f5aac7 100644
--- a/vnet/vnet/fib/fib_path.c
+++ b/vnet/vnet/fib/fib_path.c
@@ -885,7 +885,7 @@
 static fib_path_cfg_flags_t
 fib_path_route_flags_to_cfg_flags (const fib_route_path_t *rpath)
 {
-    fib_path_cfg_flags_t cfg_flags = FIB_PATH_CFG_ATTRIBUTE_FIRST;
+    fib_path_cfg_flags_t cfg_flags = FIB_PATH_CFG_FLAG_NONE;
 
     if (rpath->frp_flags & FIB_ROUTE_PATH_RESOLVE_VIA_HOST)
 	cfg_flags |= FIB_PATH_CFG_FLAG_RESOLVE_HOST;