* nlsfuncs.cc: Include lc_msg.h.
(lc_time_buf): Remove.
(lc_numeric_buf): Remove.
(lc_monetary_buf): Remove.
(lc_mbstowcs): Fix previous fix.
(__set_lc_time_from_win): Take additional pointer to buffer pointer,
defined in newlib.
(__set_lc_numeric_from_win): Ditto.
(__set_lc_monetary_from_win): Ditto.
(locale_cmp): New static function.
(__set_lc_messages_from_win): New function to be called from newlib.