Update Database.php (#1379)
Update Database.php (#1379)

* Update Database.php

fix https://github.com/propelorm/Propel2/issues/1378

* Update Database.php

recheck travis

peter17/Propel2,cristianoc72/Propel2,propelorm/Propel2,ikeyan/Propel2,propelorm/Propel2,cristianoc72/Propel2,peter17/Propel2,ikeyan/Propel2