WinGui: Fix an issue with Audio Track Names and ,

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6431 b64f7644-9d1e-0410-96f1-a4d463321fa5
MacGui: reset the decomb/deinterlace settings using their setters methods so the observers will be notified of the change too.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6432 b64f7644-9d1e-0410-96f1-a4d463321fa5