Lionel Landwerlin 7403545a48 screenShield: fix empty screen shield
If the drag action ends after something else has put the screen shield
into a different state we can end up in an inconsistent screen shield
state where the whole thing is empty.

https://bugzilla.gnome.org/show_bug.cgi?id=703126
2013-06-27 11:14:09 +01:00
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2013-06-27 11:14:09 +01:00