* libgcov-driver.c (get_gcov_dump_complete): Update comments.
	(all_prg, crc32): Remove static vars.
	(gcov_exit_compute_summary): Rewrite to return crc32; do not clear
	all_prg.
	(gcov_exit_merge_gcda): Add crc32 parameter.
	(gcov_exit_merge_summary): Add crc32 and all_prg parameter;
	do not account run if it was already accounted.
	(gcov_exit_dump_gcov): Add crc32 and all_prg parameters.
	(gcov_exit): Initialize all_prg; update.

From-SVN: r204983