Fix problem with strange printout of line numbers, detected on aix52, but existing on all platforms, just being masked by init of vars to zero.

into  mysql.com:/usr_rh9/home/elkin.rh9/MySQL/mysql-5.0

There is a specific rpl_ignore_grant test case for GRANT.

into  neptunus.(none):/home/msvensson/mysql/wl2930/my50-wl2930-integration

into  rurik.mysql.com:/home/igor/dev/mysql-5.0-0

into  neptunus.(none):/home/msvensson/mysql/wl2930/my50-wl2930-integration

into  neptunus.(none):/home/msvensson/mysql/bug15598/my50-bug15598

into  neptunus.(none):/home/msvensson/mysql/bug15598/my50-bug15598

- Comparing host string against NULL caused crash. 
- If host.hostname is NULL treat it as ""

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

into  neptunus.(none):/home/msvensson/mysql/bug15598/my50-bug15598

 - When acl_user->host.hostname is NULL compare it as ""

Add a symlink to extra/yassl/include/openssl to inlude/ when compiling with yassl
Similiar to readline)

into  rurik.mysql.com:/home/igor/dev/mysql-5.0-0

into  rurik.mysql.com:/home/igor/dev/mysql-5.0-0

Fixed bug #14274: a query with a having clause containing only set function returned a wrong result set.

into  mysql.com:/home/jimw/my/mysql-5.0-clean

into  mysql.com:/home/my/mysql-5.0

- Fixed tests
- Optimized new code
- Fixed some unlikely core dumps
- Better bug fixes for:
  - #14397 - OPTIMIZE TABLE with an open HANDLER causes a crash
  - #14850 (ERROR 1062 when a quering a view using a Group By on a column that can be null

into  mysql.com:/usr/local/mysql/mysql-5.0

into  mysql.com:/home/jimw/my/mysql-5.0-clean

into  mysql.com:/usr/local/mysql/mysql-5.0

into  mysql.com:/opt/local/work/mysql-5.0-merge

into  mysql.com:/usr/local/mysql/mysql-5.0

parent when we are not the process group leader.

into  mysql.com:/opt/local/work/mysql-5.0-merge

when high concurrency": remove HASH::current_record and make it
an external search parameter, so that it can not be the cause of a 
race condition under high concurrent load.
The bug was in a race condition in table_hash_search,
when column_priv_hash.current_record was overwritten simultaneously
by multiple threads, causing the search for a suitable grant record
to fail.
No test case as the bug is repeatable only under concurrent load.

the bug is fixed.

into  mysql.com:/usr/local/mysql/mysql-5.0