WinGui: Fix Lock System action and hide the quit handbrake option from when done actions.  Quit will return after the release. Won't fix now due to required re factoring work to fix it.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5425 b64f7644-9d1e-0410-96f1-a4d463321fa5
WinGui: Fix build

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5426 b64f7644-9d1e-0410-96f1-a4d463321fa5