When encountering a null preprocessing directive (which is supposed to
be ignored), the moc preprocessor will leave a PP_NEWLINE token in the
token stream. That will confuse the parser.
The PP_NEWLINE token need to be ignored in the preprocessing phase.
Task-number: QTBUG-22717
Change-Id: I1e502a7e5bc6fa8ce2f82109ba7199b95747ff0a
Reviewed-by: João Abecasis <joao.abecasis@nokia.com>
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>