10080 smatch Makefile changes for usr/src/cmd

@@ -1,9 +1,11 @@
 #
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2018, Joyent, Inc.
+#
 
 #
 # BSD 3 Clause License
 #
 # Copyright (c) 2007, The Storage Networking Industry Association.

@@ -45,10 +47,12 @@
 POFILES=        ndmpstat_main.po
 POFILE=         ndmpstat.po
 
 LDLIBS += -lndmp
 
+SMOFF += signed
+
 .KEEP_STATE:
 
 all: $(PROG)
 
 $(PROG): $(OBJS)