Log Message:
redis: Fix build on Darwin

pkgsrc changes:
---------------
  * Fix building for macOS 13.5.2 by applying upstream patch:
    https://github.com/redis/redis/issues/12585
  * Use USE_CC_FEATURES to set c99 standard as recommanded by pkglint.
  * Fix rc.d script for systems without /etc/rc.subr and using
    pkgtools/rc.subr with SYSCONFBASE different from /etc.
  * Bump revision.