Patch to regenerate all moc files when -D flags change

[Alexander Neundorf]

On Tuesday 05 August 2008, Thiago Macieira wrote:
> On Tuesday 05 August 2008 18:12:09 Matthias Kretz wrote:
> > One question: should I regenerate all moc files once people update to
> > this version or not?
>
> Yes.

Same here.

Alex