libapt-pkg2.5 change

[Mitch Blevins <mblevin@debian.org>]

In version 2.5, there was a change of the return type of
pkgAcquire::Pulse() from void to bool.

Gnome-apt overrides this method, from which it calls the
base method.  I changed the gnome-apt method
(in acquirestatus.cc) to simply pass along the return
value from the base-class method.

WARNING - I don't know what I am doing.
If there is some more processing that should occur to
or because of this new return value, I would appreciate
it if someone who is more intimate with the source to
take a look (Havoc?).

Thanks,
-Mitch

(hope to have gnome-apt 0.3.3 uploaded soon to be compatible
with the new apt)