Removing code to step the group log position and just stepping
the event log position.  If the group log position were stepped
one time too many, it might be that the group starts at a position
that is not possible, e.g., at a Rows_log_event, or between an
Intvar_log_event and the following associated Query_log_event.


sql/log_event.cc:
  Removing code to step the group log position and just stepping
  the event log position.  If the group log position were stepped
  one time too many, it might be that the group starts at a position
  that is not possible, e.g., at a Rows_log_event, or between an
  Intvar_log_event and the following associated Query_log_event.
sql/slave.cc:
  Removing code to step the group log position and just stepping
  the event log position when executing a Format_description_log_event.
  If the group log position were stepped one time too many, it might be that the group starts at a position
  that is not possible, e.g., at a Rows_log_event, or between an
  Intvar_log_event and the following associated Query_log_event.