vcl: fix invalid socket read

Type: fix

Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Change-Id: Ic8cc12788d9062f30faa992afaecc0c64078c4d7
diff --git a/src/vcl/vcl_sapi.c b/src/vcl/vcl_sapi.c
index 870a634..5f4263b 100644
--- a/src/vcl/vcl_sapi.c
+++ b/src/vcl/vcl_sapi.c
@@ -438,7 +438,7 @@
   mp->index = ckpair_index;
 
   cs = &wrk->app_api_sock;
-  err = clib_socket_sendmsg (cs, &msg, sizeof (msg), 0, 0);
+  err = clib_socket_sendmsg (cs, msg, sizeof (*msg), 0, 0);
   if (err)
     {
       clib_error_report (err);