10080 smatch Makefile changes for usr/src/cmd

*** 20,37 ****
--- 20,41 ----
  # CDDL HEADER END
  #
  #
  # Copyright (c) 1989 by Sun Microsystems, Inc.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  PROG= factor
  
  include ../Makefile.cmd
  
  LDLIBS += -lm
  CERRWARN += -_gcc=-Wno-implicit-function-declaration
  
+ # not linted
+ SMATCH=off
+ 
  .KEEP_STATE:
  
  all: $(PROG) 
  
  install: all $(ROOTPROG)