This update for zstd fixes the following issues:

Update to version 1.4.4 (boo#1161432):

* 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
* 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
* 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

Update to version 1.4.3

* bug: Fix Dictionary Compression Ratio Regression (#1709)
* bug: Fix Buffer Overflow in v0.3 Decompression (#1722)
* build: Add support for IAR C/C++ Compiler for Arm (#1705)
* misc: Add NULL pointer check in util.c (#1706)

This update was imported from the openSUSE:Leap:15.1:Update update project.