10079 smatch Makefile changes for usr/src/lib

*** 20,29 ****
--- 20,30 ----
  #
  
  #
  # Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
  # Copyright 2013 Saso Kiselkov. All rights reserved.
+ # Copyright (c) 2018, Joyent, Inc.
  #
  
  LIBS =          $(DYNLIB) $(LINTLIB)
  SRCS =          $(COMDIR)/edonr/edonr.c \
                  $(COMDIR)/md4/md4.c \
*** 40,45 ****
--- 41,48 ----
  
  CFLAGS +=       $(CCVERBOSE)
  CPPFLAGS +=     -I$(SRCDIR)
  LDLIBS +=       -lc
  
+ SMOFF += 64bit_shift
+ 
  $(LINTLIB) :=   SRCS = $(SRCDIR)/$(LINTSRC)