libmysqld/lib_sql.cc:
  Removing *_skip variables
sql/ha_berkeley.cc:
  Removing *_skip variables
sql/ha_berkeley.h:
  Removing *_skip variables
sql/ha_innodb.cc:
  Removing *_skip variables
sql/ha_innodb.h:
  Removing *_skip variables
sql/ha_isam.cc:
  Removing *_skip variables
sql/ha_isam.h:
  Removing *_skip variables
sql/handler.cc:
  Removing *_skip variables
  Cleanup ha_checktype()
sql/mysqld.cc:
  Removing *_skip variables
sql/sql_show.cc:
  Removing *_skip variables