comctl32/listview: fix mouse message sequences

[Daniel Jelinski]

2013/2/24 Nikolay Sivov <bunglehead at gmail.com>:
> This doesn't look very clean. I mean invoking *up handler from a *down one.
> Is this something that could be resolved with message loop like rbutton
> dragging was fixed?

TrackMouse contains the message loop. It returns FALSE when it
receives LBUTTONUP (or any other button message), so calling LButtonUp
here is almost exactly what happened before. I'm not sure if inlining
the call would help here.
Regards,
Daniel