MFH: r482556

Update to 2.3.8

• Move BROKEN_* upward
• Move USES upward
• Remove no-op MLINKS and create symlinks for manpages
• Sort INSTALLED_SCRIPTS
• Regenerate patch files with makepatch:

Changes: https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/
PR: 232438
Submitted by: Yasuhiro KIMURA <yasu@utahime.org>
Security: afc60484-0652-440e-b01a-5ef814747f06

Approved by: ports-secteam