10079 smatch Makefile changes for usr/src/lib

*** 20,29 ****
--- 20,30 ----
  #
  #
  # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  LIBRARY=        libtecla.a
  VERS=           .1
  OBJECTS=        getline.o keytab.o freelist.o strngmem.o hash.o history.o \
          direader.o homedir.o pathutil.o expand.o stringrp.o cplfile.o \
*** 44,53 ****
--- 45,57 ----
          -DPREFER_REENTRANT
  $(LINTLIB) := SRCS=     $(SRCDIR)/$(LINTSRC)
  
  CERRWARN +=     -_gcc=-Wno-type-limits
  
+ # not linted
+ SMATCH=off
+ 
  .KEEP_STATE:
  
  all:    $(LIBS)
  
  lint:   lintcheck