* Various windows errors fixed
* Increased max key length for federated


include/my_time.h:
  WL #3031
  
  Windows compile errors for some platforms. JBalint helped find this fix.
sql/log_event.cc:
  WL #3031
  
  Windows compile errors on some platforms. explicite casting.
sql/sql_servers.cc:
  WL #3031
  
  Add rwlock init to sql_servers to fix hang on windows.
storage/federated/ha_federated.h:
  WL #3031
  
  Increase max key length to innodb's max (Cisco fix)