10103 libmlrpc needs smatch fixes

@@ -19,10 +19,11 @@
  * CDDL HEADER END
  */
 /*
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 2018, Joyent, Inc.
  */
 
 /*
  * Server side RPC handler.
  */

@@ -638,11 +639,11 @@
         ndr_common_header_t *rhdr = &mxa->recv_hdr.common_hdr;
         ndr_common_header_t *hdr = &mxa->send_hdr.common_hdr;
         ndr_stream_t *nds = &mxa->send_nds;
         unsigned long fault_status;
 
-        NDS_RESET(nds);
+        (void) NDS_RESET(nds);
 
         hdr->rpc_vers = 5;
         hdr->rpc_vers_minor = 0;
         hdr->pfc_flags = NDR_PFC_FIRST_FRAG + NDR_PFC_LAST_FRAG;
         hdr->packed_drep = rhdr->packed_drep;