Remove other warnings about unused variables

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint

And it's not an "opt"

 - Put 'my_getpagesize' in it's own .c file
 - Map the call 'my_getpagesize' directly to 'getpagesize' if it exists
 - Add default implementation for 'my_getpagesize' to be used if no platform
   specfic function exists

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint

into  mysql.com:/usr/home/ram/work/bug21789/my50-bug21789

into  mysql.com:/usr/home/ram/work/bug21789/my50-bug21789

into  mysql.com:/usr/home/ram/work/bug22029/my50-bug22029

into  mysql.com:/usr/home/ram/work/bug22029/my50-bug22029

- Use more appropriate test case.

- Post Merge Fix.

into  mysql.com:/usr/home/ram/work/bug22029/my50-bug22029

- Client side readline functions unconditionally search for Unix '\n' line
endings. In this case, the delimiter statement was set to '//\r' instead 
of the intended '//'. When removing the '\n' check for and remove 
preceeding '\r' character as well.

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint

into  neptunus.(none):/home/msvensson/mysql/mysql-4.1-maint

columns to make sure they both exist and have the intended type 

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint

mysql_fix_privilege_tables.s's ability to convert the system tables as of
3.20 to current system table format
Add similar test for 4.1.23 tables - but use "mysql < mysql_fix_privilege_tables.sql"
so it can be run on any platform. 

into  shellback.(none):/home/msvensson/mysql/mysql-4.1-maint

into  shellback.(none):/home/msvensson/mysql/mysql-5.0-maint

into  shellback.(none):/home/msvensson/mysql/mysql-5.0-maint

"Y" are different) to utf8_general_ci (where same).

$MYSQLTEST_VARDIR, for usage of vardir=e:/var<nnn> on windows

Look in bin for myql_client_test executable

into  neptunus.(none):/home/msvensson/mysql/mysql-4.1-maint

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint

Update usage description