10080 smatch Makefile changes for usr/src/cmd

*** 4,15 ****
  #         All Rights Reserved
  #
  # Copyright (c) 1980 Regents of the University of California.
  # All rights reserved.  The Berkeley Software License Agreement
  # specifies the terms and conditions for redistribution.
- 
  #
  # C Shell with process control; VM/UNIX VAX Makefile
  # Bill Joy UC Berkeley; Jim Kulp IIASA, Austria
  #
  
  CSH_PROG =      csh
--- 4,16 ----
  #         All Rights Reserved
  #
  # Copyright (c) 1980 Regents of the University of California.
  # All rights reserved.  The Berkeley Software License Agreement
  # specifies the terms and conditions for redistribution.
  #
+ # Copyright (c) 2018, Joyent, Inc.
+ #
  # C Shell with process control; VM/UNIX VAX Makefile
  # Bill Joy UC Berkeley; Jim Kulp IIASA, Austria
  #
  
  CSH_PROG =      csh
*** 32,41 ****
--- 33,45 ----
  CERRWARN += -_gcc=-Wno-unused-variable
  CERRWARN += -_gcc=-Wno-clobbered
  CERRWARN += -_gcc=-Wno-unused-label
  CERRWARN += -_gcc=-Wno-extra
  
+ # "missing type for func"
+ SMATCH=off
+ 
  MAPFILES =      ../mapfile-intf $(MAPFILE.NGB)
  LDFLAGS +=      $(MAPFILES:%=-M%)
  
  HDDEP = sh.o sh.dir.o sh.dol.o sh.err.o sh.exec.o sh.exp.o sh.file.o \
          sh.func.o sh.glob.o sh.hist.o sh.init.o sh.lex.o sh.misc.o \