Docs/manual.texi:
  Link info change
include/my_sys.h:
  Added functions for symlink support
libmysql/Makefile.shared:
  Added mf_symlink.c to library.
mysys/Makefile.am:
  Added functions for symlink support
mysys/mf_same.c:
  cleanup
mysys/my_symlink.c:
  Added functions for symlink support