Update archivers/zstd to 1.1.4
-------------------------------
v1.1.4
cli : new : can compress in *.gz format, using --format=gzip command, by
      Przemyslaw Skibinski
cli : new : advanced benchmark command --priority=rt
cli : fix : write on sparse-enabled file systems in 32-bits mode, by @ds77
cli : fix : --rm remains silent when input is stdin
cli : experimental : xzstd, with support for xz/lzma decoding, by Przemyslaw
      Skibinski
speed : improved decompression speed in streaming mode for single shot scenarios (+5%)
memory : DDict (decompression dictionary) memory usage down from 150 KB to 20 KB
arch : 32-bits variant able to generate and decode very long matches (>32 MB),
      by Sean Purcell
API : new : ZSTD_findFrameCompressedSize(),
      ZSTD_getFrameContentSize(), ZSTD_findDecompressedSize()
API : changed : dropped support of legacy versions <= v0.3 (can be changed by
      modifying ZSTD_LEGACY_SUPPORT value)
build: new: meson build system in contrib/meson, by Dima Krasner
build: improved cmake script, by @Majlen
build: added -Wformat-security flag, as recommended by Padraig Brady
doc : new : educational decoder, by Sean Purcell

(pkgsrc changes)
+ MAKE_JOBS_SAFE= no

(mef)