10080 smatch Makefile changes for usr/src/cmd

*** 20,31 ****
  #
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
- 
  BINPROG=        mail 
  
  PROG=          $(BINPROG)
  
  GREP=           grep
--- 20,32 ----
  #
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
+ #
  
  BINPROG=        mail
  
  PROG=          $(BINPROG)
  
  GREP=           grep
*** 74,83 ****
--- 75,87 ----
  CERRWARN +=     -_gcc=-Wno-unused-variable
  CERRWARN +=     -_gcc=-Wno-uninitialized
  CERRWARN +=     -_gcc=-Wno-clobbered
  CERRWARN +=     -_gcc=-Wno-extra
  
+ # missing type declarations for old-style functions
+ SMATCH =        off
+ 
  LDLIBS +=       -lmail -lsocket
  
  # mail defines its own delete() - reduce symbols to locals to remove name clash.
  LDFLAGS +=      $(MAPFILE.NGB:%=-M%)