two KILL versions
code trimming with headquarter's suggestions 


myisam/mi_check.c:
  killed_ptr function changed backward
myisam/myisamchk.c:
  killed_ptr function changed backward
myisam/myisamdef.h:
  killed_ptr function changed backward
myisam/sort.c:
  killed_ptr function changed backward
sql/ha_myisam.cc:
  killed_ptr function changed backward
sql/lock.cc:
  error sending trimmed
sql/log_event.cc:
  error sending trimmed
sql/records.cc:
  error sending trimmed
sql/slave.cc:
  error sending trimmed
sql/sql_class.h:
  inline functions to send right message about killing added
sql/sql_delete.cc:
  error sending trimmed
sql/sql_load.cc:
  error sending trimmed
sql/sql_parse.cc:
  error sending trimmed
sql/sql_prepare.cc:
  error sending trimmed
sql/sql_select.cc:
  error sending trimmed
sql/sql_table.cc:
  error sending trimmed
sql/sql_update.cc:
  error sending trimmed