Log Message:
Update ruby-mysql pacakge to 2.4.5.

Changes from web page:

  2003-08-10	2.4.5
    * extconf.rb: correspond to MySQL 4.1.
    * mysql.c.in: correspond to Ruby 1.8.

  2003-02-23	2.4.4a
    * make extconf.rb to correspond to Ruby 1.8.0

  2003-01-29	2.4.4
    * add Mysql::OPT_LOCAL_INFILE.
    * add --with-mysql-config option to extconf.rb.
    * extconf.rb automatically detect typical library.

  2003-01-05	2.4.3c
    * modified English README. Thanks to Paul DuBois.

  2002-12-24	2.4.3b
    * make extconf.rb to correspond to Ruby 1.6.8.

  2002-11-07	2.4.3a
    * fix bug duplicating constant.

  2002-09-10	2.4.3
    * for error number with prefix ER_ .
    * get error constant from errmsg.h and mysqld_error.h automatically.

  2002-03-31	2.4.2a
    * change extconf.rb.