KControl leak and changes in some kcm modules

[Dominique Devriese]

Albert Astals Cid writes:

> Hi, today i discovered some memory leakage in kcontrol toplevel.cpp,
> it was calling aboutData that returns a pointer to a KAboutData but
> never deleting it. I tried to fix it, but then realized that some
> kcm modules don't return a new KAboutData pointer each time. Some
> return a class member and some have a static variable, but the most
> return a new KAboutData each time, so i have looked at the CVS and
> chagned the few that didn't return a new KAboutData each time to do
> so. Here come the patches.

How about changing it the other way around: make the ones that return
a new KAboutData each time return a class member or static variable,
and not deleting anything from kcontrol ?  That way, we don't
introduce any crashes or new mem leaks in third party apps, and BC is
not broken.

cheers
domi