archivers/pecl-rar: Update from 3.0.2 to 4.0.0

[joneum]

Summary

• archivers/pecl-rar: Update from 3.0.2 to 4.0.0

Changelog:

• Merge changes made to unrar up to version 5.5.6.
• Support PHP 7.0 and PHP 7.1.
• Added functions RarEntry::getRedirType(), RarEntry::isRedirectToDirectory() and RarEntry::getRedirTarget(), as well as the following constants on RarEntry: FSREDIR_UNIXSYMLINK, FSREDIR_WINSYMLINK, FSREDIR_JUNCTION, FSREDIR_HARDLINK and FSREDIR_FILECOPY.
• Changed stat handler to return UTC time for creation, modification and access time (does not work reliably on Windows).
• Fix cloning of RarArchive being allowed.

Test Plan

:~/dev/ports/archivers/pecl-rar % portlint -AC
WARN: Makefile: for new port, make $FreeBSD$ tag in comment section empty, to make SVN happy.
0 fatal errors and 1 warning found.

poudriere testport:

10.3-amd64
10.3-i386
11.1-amd64
11.1-i386
12.0-CURRENT r320266 amd64
12.0-CURRENT r320266 i386