10080 smatch Makefile changes for usr/src/cmd

@@ -21,12 +21,11 @@
 #
 #
 # Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-# cmd/expand/Makefile 
-#
+# Copyright (c) 2018, Joyent, Inc.
 
 PROG=           expand  unexpand
 SRCS=           $(PROG:=.c)
 
 include         ../Makefile.cmd

@@ -35,10 +34,12 @@
 POFILES= expand_cmd.po unexpand.po
 POFILE= expand.po
 
 CLOBBERFILES += expand_cmd.c
 
+SMOFF += signed
+
 .KEEP_STATE:
 
 all: $(PROG) 
 
 install: all $(ROOTPROG)