Log Message:
zstd: updated to 1.4.4

Zstandard v1.4.4
This release includes some major performance improvements and new CLI features, \ 
which make it a recommended upgrade.

perf: Improved decompression speed, by > 10%
perf: Better compression speed when re-using a context
perf: Fix compression ratio when compressing large files with small dictionary
perf: zstd reference encoder can generate RLE blocks
perf: minor generic speed optimization
api: new ability to extract sequences from the parser for analysis
api: fixed decoding of magic-less frames
api: fixed ZSTD_initCStream_advanced() performance with fast modes, reported by \ 
@QrczakMK
cli: Named pipes support
cli: short tar's extension support
cli: command --output-dir-flat=DIE , generates target files into requested directory
cli: commands --stream-size=# and --size-hint=#
cli: command --exclude-compressed
cli: faster -t test mode
cli: improved some error messages
cli: fix rare deadlock condition within dictionary builder
build: single-file decoder with emscripten compilation script
build: fixed zlibWrapper compilation on Visual Studio, reported by @bluenlive
build: fixed deprecation warning for certain gcc version, reported by @jasonma163
build: fix compilation on old gcc versions
build: improved installation directories for cmake script, by Dmitri Shubin
pack: modified pkgconfig, for better integration into openwrt, requested by @neheb
misc: Improved documentation : ZSTD_CLEVEL, DYNAMIC_BMI2, ZSTD_CDict, function \ 
deprecation, zstd format
misc: fixed educational decoder : accept larger literals section, and removed \ 
UNALIGNED() macro