include/config-win.h:
  Increase the number of files on windows
include/mysys_err.h:
  New error message
myisam/mi_log.c:
  Fix myisam.log to be usable even if we are using NFS
myisam/myisamdef.h:
  Fix myisam.log to be usable even if we are using NFS
mysys/errors.c:
  Fix error message