Log Message:
Update to 4.049

Upstream changes:
2018-10-25 Daniël van Eeden, Patrick Galbraith,
DBI/DBD community (4.049)
* Fix MariaDB issue #262
* Various fixes for travis builds
* Fix to issue 187: Don't declare enum_type as static
* Fix regex for removing database from DSN again
* Allow to call $sth->mysql_async_ready and $sth->mysql_async_result more \ 
times without discarding result state 201