Misc bugs found by using valgrind

[Alexandre Julliard]

MichaelGuennewig at gmx.de (Michael Günnewig) writes:

> It's a point, so here is the new patch.

I don't think we need to check string sizes against MAXINT, that's
just a waste of time. Also please don't add memsets to fix valgrind
complaints, the bugs need to be fixed properly not just hidden by
clearing everything.

-- 
Alexandre Julliard
julliard at winehq.com