gcov.c (struct arcdata): Add hits and total, remove prob.

gcov.c (struct arcdata): Add hits and total, remove prob.

	* gcov.c (struct arcdata): Add hits and total, remove prob.
	(output_branch_counts): New.
	(process_args): Set output_branch_counts if -c.
	(calculate_branch_probs): Store hits and total instead of
	percentage.
	(output_data): Emit counts if output_branch_counts is true.
	* gcov.texi (Invoking Gcov): Document -c switch..

From-SVN: r30476