assign_stack_temp_for_type BLKmode size rounding

[Jeffrey A Law]

  > Sat Feb 20 13:47:00 EST 1999  John Wehle  (john@feith.com)
  > 
  > 	* function.c (assign_stack_temp_for_type): Abort
  > 	if mode == Blkmode and align is less than
  > 	BIGGEST_ALIGNMENT / BITS_PER_UNIT.
  > 	(assign_stack_temp_for_type): Round the size parameter
  > 	passed to assign_stack_local instead of size itself.
My PA bootstrap was successful.  I've installed this change.

Thanks!
jeff