10080 smatch Makefile changes for usr/src/cmd

*** 20,29 ****
--- 20,30 ----
  # CDDL HEADER END
  #
  #
  # Copyright (c) 1989 by Sun Microsystems, Inc.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  PROG= gencat
  
  OBJS= gencat.o
  SRCS= $(OBJS:%.o=%.c)
*** 31,40 ****
--- 32,44 ----
  include ../Makefile.cmd
  
  CERRWARN += -_gcc=-Wno-implicit-function-declaration
  CERRWARN += -_gcc=-Wno-unused-value
  
+ # not linted
+ SMATCH=off
+ 
  .KEEP_STATE:
  
  all: $(PROG) 
  
  $(PROG): $(OBJS)