Update libraries/joomla/installer/adapters/component.php

Change Proposal for  [#30038] SQL files not processed by component update.
http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=30038

When the DB update should run during a component update, the Installer does not know the new version,
#__schemas table was not yet updated.
To solve this,
$this->parent->setSchemaVersion($this->manifest->update->schemas,
$eid); should be called