Fix gpe_native_fwd_rpaths_get (VPP-883)

Change-Id: Iab2aa5fd92b9e95049f55fce4177e236a482723c
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/lisp-gpe/lisp_gpe_api.c b/src/vnet/lisp-gpe/lisp_gpe_api.c
index f026e8b..364bee0 100644
--- a/src/vnet/lisp-gpe/lisp_gpe_api.c
+++ b/src/vnet/lisp-gpe/lisp_gpe_api.c
@@ -476,12 +476,14 @@
 			    fib_route_path_t * src, u8 is_ip4)
 {
   fib_route_path_t *e;
+  fib_table_t *table;
   u32 i = 0;
 
   vec_foreach (e, src)
   {
     memset (&dst[i], 0, sizeof (*dst));
-    dst[i].fib_index = e->frp_fib_index;
+    table = fib_table_get (e->frp_fib_index, e->frp_proto);
+    dst[i].fib_index = table->ft_table_id;
     dst[i].nh_sw_if_index = e->frp_sw_if_index;
     dst[i].is_ip4 = is_ip4;
     if (is_ip4)