MacGui: Fixed the languages selection in the built in presets for languages with a native name.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6300 b64f7644-9d1e-0410-96f1-a4d463321fa5
MacGui: select the default preset in the presets drawer at start up. Added a missing NSAlert release.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6301 b64f7644-9d1e-0410-96f1-a4d463321fa5
MacGui: forgot a file in rev 6300 commit.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6302 b64f7644-9d1e-0410-96f1-a4d463321fa5
MacGui: fixed the bitrates popup in the audio default panel, it didn’t update properly when the sample rate was set to auto.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6303 b64f7644-9d1e-0410-96f1-a4d463321fa5
MacGui: changed the preset selection code a little bit again.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6304 b64f7644-9d1e-0410-96f1-a4d463321fa5