disables binlog.

into  naruto.:C:/cpp/mysql-5.0-maint

into  example.com:/work/bug24395-v2/my50

into  kpdesk.mysql.com:/home/thek/dev/mysql-5.0-maint

- Refactoring of duplicate code
- Modified bad test cases
- Changed expected error when operating on information_schema.

Server crashes if a flush commmand is issued and binlog is closed.
- added check to prevent binlog access when binlog file isn't opened.

into  example.com:/work/bug24395-v2/my50

fix for bug#24395 merged into 5.0

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

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

 - chmod the saved files from 4.1 to make sure they are writable

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

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

into  neptunus.(none):/home/msvensson/mysql/work/my50-work

into  kpdesk.mysql.com:/home/thek/dev/mysql-5.0-maint

into  kpdesk.mysql.com:/home/thek/dev/mysql-5.0-maint

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

into  mysql.com:/usr/home/ram/work/bug22229/my50-bug22229

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

into  neptunus.(none):/home/msvensson/mysql/work/my50-work

where we know how to creat the vardir 
Remove unused variable

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

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

into  neptunus.(none):/home/msvensson/mysql/work/my50-work

 - Avoid use of mtr_run when executing "mysqld --verbose --help" to find
   version and supported features

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

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

into  zippy.cornsilk.net:/home/cmiller/work/mysql/mysql-5.0-maint

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

into  neptunus.(none):/home/msvensson/mysql/work/my50-work

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

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