[PATCH] Update KAboutData after KApplication instance has been created

[Rafael Fernández López]

>> So, what do you think about the attached patch ? I would give a week
>> to leave comments, and next wednesday I'd commit this into trunk.
>> Another question: do you think I should backport this change ?
>
> imho no; api changes shouldn't be backported unless they actually fix an
> important bug.

This wasn't an api change ;)

However, yep, maybe adding a setAboutData is a good idea. Would this
be accepted ?