mpls: number of mpls tunnel paths returns zero

The number of paths on the mpls tunnel returned through the bapi is
always zero. Doing a ntohl on a uint32 and poking it into a uint8 causes the problem.

Type: fix
Signed-off-by: IJsbrand Wijnands <ice@cisco.com>
Change-Id: I4135ad43a891e7818ca673c8067ef1f11cb34530
diff --git a/src/vnet/mpls/mpls_api.c b/src/vnet/mpls/mpls_api.c
index 530ceec..56911c8 100644
--- a/src/vnet/mpls/mpls_api.c
+++ b/src/vnet/mpls/mpls_api.c
@@ -360,7 +360,7 @@
   mp->_vl_msg_id = ntohs (VL_API_MPLS_TUNNEL_DETAILS);
   mp->context = ctx->context;
 
-  mp->mt_tunnel.mt_n_paths = ntohl (n);
+  mp->mt_tunnel.mt_n_paths = n;
   mp->mt_tunnel.mt_sw_if_index = ntohl (mt->mt_sw_if_index);
   mp->mt_tunnel.mt_tunnel_index = ntohl (mti);
   mp->mt_tunnel.mt_l2_only = ! !(MPLS_TUNNEL_FLAG_L2 & mt->mt_flags);