replication test suite


mysys/mf_iocache2.c:
  fixed bug in my_b_seek
sql/log_event.cc:
  fixed bug in Load_event constructor, removed compiler warnings
sql/mf_iocache.cc:
  _my_b_read could overflow a small buffer if the leftovers happened 
  to be more than we wanted to read. info->pos_in_file was also not
  being set correctly