scripts: kernel-doc: get rid of $nested parameter

sub dump_struct($$) {

    my $x = shift;

    my $file = shift;

    my $nested;

    if ($x =~ /(struct|union)\s+(\w+)\s*{(.*)}/) {

	my $decl_type = $1;

	# Ignore other nested elements, like enums

	$members =~ s/({[^\{\}]*})//g;

	$nested = $decl_type;

	$nested =~ s/\/\*.*?\*\///gos;

	create_parameterlist($members, ';', $file);

	check_sections($file, $declaration_name, $decl_type, $sectcheck, $struct_actual, $nested);

	check_sections($file, $declaration_name, $decl_type, $sectcheck, $struct_actual);

	# Adjust declaration for better display

	$declaration =~ s/([{;])/$1\n/g;

	$parametertypes{$param} = $type;

}

sub check_sections($$$$$$) {

	my ($file, $decl_name, $decl_type, $sectcheck, $prmscheck, $nested) = @_;

sub check_sections($$$$$) {

	my ($file, $decl_name, $decl_type, $sectcheck, $prmscheck) = @_;

	my @sects = split ' ', $sectcheck;

	my @prms = split ' ', $prmscheck;

	my $err;

					"'$sects[$sx]' " .

					"description in '$decl_name'\n";

				++$warnings;

			} else {

				if ($nested !~ m/\Q$sects[$sx]\E/) {

				    print STDERR "${file}:$.: warning: " .

					"Excess $decl_type member " .

					"'$sects[$sx]' " .

					"description in '$decl_name'\n";

				    ++$warnings;

				}

			}

		}

	}

    }

	my $prms = join " ", @parameterlist;

	check_sections($file, $declaration_name, "function", $sectcheck, $prms, "");

	check_sections($file, $declaration_name, "function", $sectcheck, $prms);

        # This check emits a lot of warnings at the moment, because many

        # functions don't have a 'Return' doc section. So until the number