10080 smatch Makefile changes for usr/src/cmd

*** 21,30 ****
--- 21,31 ----
  #
  #
  # Copyright (c) 1999,2001 by Sun Microsystems, Inc.
  # All rights reserved.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  FSTYPE=         udfs
  LIBPROG=        mkfs
  ATTMK=          $(LIBPROG)
  
*** 46,55 ****
--- 47,59 ----
  UDFSOBJS=
  
  CERRWARN +=     -_gcc=-Wno-parentheses
  CERRWARN +=     -_gcc=-Wno-uninitialized
  
+ # not linted
+ SMATCH=off
+ 
  OBJS=           $(MKFSOBJS) $(UDFSOBJS)
  SRCS=           $(OBJS:%.o=%.c)
  
  $(LIBPROG):     $(OBJS)
                  $(LINK.c) -o $@ $(OBJS) $(LDLIBS)