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.
  
  include         ../Makefile.cmd
  
  PROG =          tbl
  
*** 39,48 ****
--- 40,52 ----
  CERRWARN        += -_gcc=-Wno-implicit-function-declaration
  CERRWARN        += -_gcc=-Wno-parentheses
  CERRWARN        += -_gcc=-Wno-uninitialized
  CERRWARN        += -_gcc=-Wno-char-subscripts
  
+ # not linted
+ SMATCH=off
+ 
  .KEEP_STATE :
  
  all :           $(PROG)
  
  $(PROG):        $(OBJS)