Log Message:
Update archivers/lz4 to 1.7.4.2.

Changes since release 131:

v1.7.4.2
- fix : Makefile : release build compatible with PIE and customized
  compilation directives provided through environment variables (#274,
  reported by Antoine Martin)

v1.7.4
- Improved : much better speed in -mx32 mode
- cli : fix : Large file support in 32-bits mode on Mac OS-X
- fix : compilation on gcc 4.4 (#272), reported by Antoine Martin

v1.7.3
- Changed : moved to versioning; package, cli and library have same
  version number
- Improved: Small decompression speed boost
- Improved: Small compression speed improvement on 64-bits systems
- Improved: Small compression ratio and speed improvement on small files
- Improved: Significant speed boost on ARMv6 and ARMv7
- Fix : better ratio on 64-bits big-endian targets
- Improved cmake build script, by Evan Nemerson
- New liblz4-dll project, by Przemyslaw Skibinki
- Makefile: Generates object files (*.o) for faster (re)compilation on
  low power systems
- cli : new : --rm and --help commands
- cli : new : preserved file attributes, by Przemyslaw Skibinki
- cli : fix : crash on some invalid inputs
- cli : fix : -t correctly validates lz4-compressed files, by Nick
  Terrell
- cli : fix : detects and reports fread() errors, thanks to Hiroshi
  Fujishima report #243
- cli : bench : new : -r recursive mode
- lz4cat : can cat multiple files in a single command line (#184)
- Added : doc/lz4_manual.html, by Przemyslaw Skibinski
- Added : dictionary compression and frame decompression examples, by
  Nick Terrell
- Added : Debianization, by Evgeniy Polyakov