Game crashes when attempting to change CPU volume in Snapshot 13w47a.

Put the summary of the bug you're having here

I was just expecting that the volume would change on my CPU, which it did.

The game crashed as a side effect.

Steps to Reproduce:
1. Log into Minecraft.
2. Once the game has loaded and you are on the title screen, try changing your volume.
3. The game will close and bring you to the launcher.
4. Congrats, you've completed operation of the bug.