With SDL 2.0.6, calling SDL_ShowWindow during SDL_WINDOWEVENT_HIDDEN
blocks all subsequent display updates.
Instead of trying to override the change, just update the scon->hidden
flag.
Signed-off-by: Jindrich Makovicka <makovick@gmail.com>
Message-Id: <20171112193032.9724-2-makovick@gmail.com>
This is a partial revert of d3f3a0f453,
which in turn is a workaround for a SDL bug. The bug is fixed in 2.0.6,
see https://bugzilla.libsdl.org/show_bug.cgi?id=3410
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>