Sloppy focus doesn't seem to work with keynav any more (like doc/how-to-get-focus-right.txt says).

To reproduce:

1) Run xterm (call this window A)
2) From xterm, start xev (call this window B)
3) Leave the mouse over window A
4) Alt-tab to window B

Expected results: window B should have focus.

Actual results: window A ends up with focus.

I say "ends up with" because window A does get the focus so briefly as to be unnoticeable, but xev shows us:

[...]
FocusOut event, serial 29, synthetic NO, window 0x1a00001,
    mode NotifyNormal, detail NotifyNonlinear

[time passes, now comes the Alt-tab...]

FocusIn event, serial 29, synthetic NO, window 0x1a00001,
    mode NotifyWhileGrabbed, detail NotifyNonlinear

KeymapNotify event, serial 29, synthetic NO, window 0x0,
    keys:  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   
           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   

FocusIn event, serial 29, synthetic NO, window 0x1a00001,
    mode NotifyUngrab, detail NotifyNonlinear

KeymapNotify event, serial 29, synthetic NO, window 0x0,
    keys:  77  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   
           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   

FocusOut event, serial 29, synthetic NO, window 0x1a00001,
    mode NotifyNormal, detail NotifyNonlinear
^C