Patch for PCH in start_cleanup_fn

[Steven Bosscher]

> This is the final patch I committed.  Bootstrapped & tested on powerpc-darwin.
> 
---- 8< ----
> +2003-06-06  Andrew Pinski  <pinskia@physics.uc.edu>
> +
> +	* decl.c (start_cleanup_fn): Move static 'counter' out, mark with GTY.
> +	(start_cleanup_cnt): New.
> +

Hmm, maybe I am missing something, but if start_cleanup_cnt is new,
then shouln't it be initialized somewhere, or is it automatically
initialized to zero?

Gr.
Steven