[dovecot/core] b07a3a: cassandra: Fix confusing debug logging for paged q...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: b07a3abc4cc692661f5afd2fb654acb687884613
      https://github.com/dovecot/core/commit/b07a3abc4cc692661f5afd2fb654acb687884613
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2017-08-14 (Mon, 14 Aug 2017)

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

  Log Message:
  -----------
  cassandra: Fix confusing debug logging for paged query results.

Even when caller supported paged queries, the debug output contained
"Paged query has more results, but not supported by the caller".
Clear out the error after sql_result_more() is called, so it won't be
logged.