10080 smatch Makefile changes for usr/src/cmd

*** 19,28 ****
--- 19,30 ----
  # CDDL HEADER END
  #
  # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
+ #
  
  PROG=           in.rdisc
  MANIFEST=       rdisc.xml
  SVCMETHOD=      svc-rdisc
  
*** 33,42 ****
--- 35,47 ----
  LDLIBS +=       -lsocket -lnsl
  
  CPPFLAGS +=     -DSYSV -DBSD_COMP
  CERRWARN +=     -_gcc=-Wno-extra
  
+ # "missing type for func"
+ SMATCH =        off
+ 
  .KEEP_STATE:
  
  all: $(PROG)
  
  install: all $(ROOTUSRSBINPROG) $(ROOTMANIFEST) $(ROOTSVCMETHOD)