8516 Suppress gcc errors with -Wno- in Makefile for usr/src/cmd

*** 20,29 ****
--- 20,30 ----
  #
  
  #
  # Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
  # Copyright 2015 RackTop Systems.
+ # Copyright 2017 Gary Mills
  #
  
  FSTYPE=         autofs
  AUTO=           automount
  MOUNT=          mount
*** 96,105 ****
--- 97,111 ----
  CERRWARN +=     -_gcc=-Wno-switch
  CERRWARN +=     -_gcc=-Wno-uninitialized
  CERRWARN +=     -_gcc=-Wno-unused-label
  CERRWARN +=     -_gcc=-Wno-unused-function
  
+ # Suppress the error for: lp
+ ns_files.o :=   CERRWARN += -_gcc=-Wno-unused-but-set-parameter
+ # Suppress the error for: lastread
+ autod_nfs.o :=  CERRWARN += -_gcc=-Wno-unused-but-set-variable
+ 
  OBJS=           $(AUTOOBJS) $(MOUNTOBJS) $(TYPEOBJS) \
                  $(SHAREOBJS) $(UNSHAREOBJS)
  
  AUTOSRCS=       automount.c $(COMMON:%.o=%.c) $(FSLIBSRC)
  MOUNTSRCS=      mount.c $(FSLIBSRC)