(important for Adobe).

mf_pack.c, mf_dirname.c, charset.c, my_sys.h:

  - adding fs_character_set() function on Windows
  - ignoring fake slashes which are just multibyte
    parts in several functions in /mysys

Verified by Shu to work on WinXP and Win2k.
Test is not possible, or very hard to do.


include/my_sys.h:
  Bug#5439 : mysql_server_init() crashes if ShiftJIS path is passed
  (important for Adobe)
  - adding fs_character_set() function on Windows
  - ignoring fake slashes which are just multibyte
    parts in several functions in /mysys
mysys/charset.c:
  d
mysys/mf_dirname.c:
  d
mysys/mf_pack.c:
  d