egcs-971207: Bug in config/m68k/m68k.c

[Jeffrey A Law]

  In message < 9712090938.AA22063@lts.sel.alcatel.de >you write:
  > Tue Dec  9 10:34:21 1997  Manfred Hollstein  <manfred@s-direktnet.de>
  > 
  > 	* m68k.c: Include tree.h only once.
Thanks.  Fixed.
jeff