[dovecot/core] da9faa: lib-sql: Do not create event for old drivers

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: da9faadee27eb0f939695adfc5121cc19155837f
      https://github.com/dovecot/core/commit/da9faadee27eb0f939695adfc5121cc19155837f
  Author: Aki Tuomi <aki.tuomi at dovecot.fi>
  Date:   2018-09-05 (Wed, 05 Sep 2018)

  Changed paths:
    M src/lib-sql/driver-sqlpool.c
    M src/lib-sql/sql-api.c

  Log Message:
  -----------
  lib-sql: Do not create event for old drivers

They can't use it anyways



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