sql/mysql_priv.h:
  checkpoint: open_log() removed
sql/sql_yacc.yy:
  checkpoint: open_log() removed
sql/log.cc:
  split the opening of the .index file and binlog itself - now they are done by separate functions
sql/slave.cc:
  init_relay_log_info() made static
  split the opening of the .index file and binlog itself - now they are done by separate functions
sql/slave.h:
  init_relay_log_info() made static
sql/sql_class.h:
  split the opening of the .index file and binlog itself - now they are done by separate functions