Fix GNU coding style in gcov.c

Fix GNU coding style in gcov.c

	* gcov.c (main): Fix GNU coding style.
	(output_intermediate_file): Likewise.
	(process_file): Likewise.
	(generate_results): Likewise.
	(release_structures): Likewise.
	(create_file_names): Likewise.
	(find_source): Likewise.
	(read_graph_file): Likewise.
	(find_exception_blocks): Likewise.
	(canonicalize_name): Likewise.
	(make_gcov_file_name): Likewise.
	(mangle_name): Likewise.
	(accumulate_line_counts): Likewise.
	(output_branch_count): Likewise.
	(read_line): Likewise.

From-SVN: r239134