Fixes in charset related C++ code

Take a look their for details

into sinisa.nasamreza.org:/mnt/hdc/Sinisa/mysql-4.1

into sinisa.nasamreza.org:/mnt/hdc/Sinisa/mysql-4.1

into gw.udmsearch.izhnet.ru:/usr/home/bar/mysql-4.1

into sinisa.nasamreza.org:/mnt/hdc/Sinisa/mysql-4.1

to allow usage of many character sets at a time.

into gw.udmsearch.izhnet.ru:/usr/home/bar/mysql-4.1

This is to simplify maintaining charsets, especially changing
CHARSET_INFO structure.

in 4.0.

into sinisa.nasamreza.org:/mnt/hdc/Sinisa/mysql-4.1

Read comments there if you are interested ..

into gw.udmsearch.izhnet.ru:/usr/home/bar/mysql-4.1

Fixes in GeomFromText() to accept an new optional
   argument respobsible for SRID. This is for more
   OpenGIS conformance and PostGIS compatibility
   to simplify migrating from PgSQL to MySQL

into sinisa.nasamreza.org:/mnt/hdc/Sinisa/mysql-4.1

into gw.udmsearch.izhnet.ru:/usr/home/bar/mysql-4.1

into sinisa.nasamreza.org:/mnt/hdc/Sinisa/mysql-4.1

into gw.udmsearch.izhnet.ru:/usr/home/bar/mysql-4.1

into work.mysql.com:/home/bk/mysql-4.1

into co3064164-a.bitbike.com:/home/arjen/mysql-4.0