Checkstyle fixes for SpaceBeforeOpenBrace

apps/files/ajax/move.php

apps/files/ajax/upload.php

apps/files/appinfo/update.php

cron.php

lib/backgroundjob.php

lib/filecache.php

lib/filecache/update.php

lib/fileproxy/fileoperations.php

lib/fileproxy/quota.php

lib/filesystem.php

lib/filesystemview.php

lib/helper.php

lib/log.php

lib/migrate.php

lib/migration/content.php

lib/router.php

lib/setup.php

lib/template.php

tests/bootstrap.php

tests/lib/cache.php