Fix multiline parameter phpDoc in Query\Expr
Fix multiline parameter phpDoc in Query\Expr

See https://github.com/phan/phan/issues/1897 (parser won't accept `@param` spanning over several lines)

doctrine/doctrine2,Sitetheory/doctrine2,bigfoot90/doctrine2,Sitetheory/doctrine2,Ocramius/doctrine2,Ocramius/doctrine2,bigfoot90/doctrine2,doctrine/doctrine2,Ocramius/doctrine2