logical mistake at vapi.c : 1009

[tsinghai1982]

vapi_shm_client_connect() return value is greater than 0 when some failure occurrenced.

vapi.c: 1009
if (vapi_shm_client_connect (ctx, (char *) name, 0, response_queue_size,
true) < 0)
{
vl_client_api_unmap ();
return VAPI_ECON_FAIL;
}