Log Message:
Changes 4.45:
- Default dictionary size was increased: Normal: 16 MB, Max: 32 MB.
- Speed optimizations.
- Benchmark was improved (new "b" command in command line version).
- The number of DLL files was reduced.
- switch -mhcf=off is not supported now.
- If -t{Type} switch is not specified, 7-Zip now uses extension of archive to
  detect the type of archive.
- Some bugs were fixed (BZip2 in multithread)
- x86 or x86_64 : ASM version of crc32 available
- better detection of executable file (scripts do not need BCJ/BCJ2 filter)
- default permissions are now :
  - for a file      : -rw-------
  - for a directory : drwx------
- on MacOSX, locale is always utf8
- makefile.qnx_static and makefile.qnx_shared added