[Bug 58223] spec ops the line stalls after splash screen

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58223

--- Comment #1 from zlice  ---
commit cause is 4c07e5568e5c70a7899839ab85dee68d705935e3 (between 10.1 and
10.2) - mutter 'withdraw -> normal' manual flip. sounds like mutter breaks
spec? or at least does things weird.

i was able to get this fixed in fluxbox by hiding/unmapping the x/'Window'
directly and doing a sync/flush : `XSync(display(), False` - when
iconifying/minimizing before changing children/related clients to `IconicState`

if doing this solely for mutter makes sense and there's no other way to go
about it or open a bug there, i guess this is good to close