gprof fix for IA-64 (and other platforms...)

[Philip Blundell]

>2001-03-12  David Mosberger  <davidm@hpl.hp.com>
>
>	* hist.c (hist_read_rec): If SAMPLEDEBUG, print each histogram bin count.
>	[etc..]

I'd rather not apply this to the 2.11 branch at this point.  While it's 
probably safe, the patch is still larger than I'd be happy with.  Once it's 
installed in the trunk with no problems, we can consider it again for 2.11.1.

p.