instead of making it experimental.

Remove the extra line which try to use the name INNOBASE again. The IF ELSE
loop above declares the library name based on the version of mysql

use function prototypes from header in conjunction with K&R-style
function definitions.  The symptom is a type mismatch between
int and wchar_t.

Use "#ifdef", not plain "#if".

also merged missing Innodb plugin revisions r5636,r5635 manually

Temporary tables may set join->group to 0 even though there is 
grouping. Also need to test if sum_func_count>0 when JOIN::exec() 
decides whether to present results in a grouped manner.

sql/sql_select.cc:
  Temporary tables may set join->group to 0 even though there is 
  grouping. Also need to test if sum_func_count>0 when JOIN::exec() 
  decides whether to present results in a grouped manner.