Update to 1.30. Noteworthy changes:

• Member names containing '..' components are now skipped when extracting.
• Report erroneous use of position-sensitive options.
• --numeric-owner now affects private headers too.
• Fixed the --delay-directory-restore option
• The --warnings=failed-read option
• The --warnings=none option now suppresses all warnings
• Fix reporting of hardlink mismatches during compare