[BUGFIX] DBAL: Pass database connection to SQL compiler

The SQL compilers need the current database connection for properly
quoting identifiers. The constructor declares them a required argument
but the SQL parser didn't pass the database connection on instanciation.

Resolves: #69528
Releases: master
Change-Id: I8cd67bb07d954b73c1e8f1de93f208ca7a835c08
Reviewed-on: http://review.typo3.org/43017


Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>