------------------------------------------------------------------------
  r4481 | marko | 2009-03-19 15:01:48 +0200 (Thu, 19 Mar 2009) | 6 lines

  branches/5.1: row_unlock_for_mysql(): Do not unlock records that were
  modified by the current transaction.  This bug was introduced or unmasked
  in r4400.

  rb://97 approved by Heikki Tuuri
  ------------------------------------------------------------------------