[Fix] Super Mario Galaxy 2 Blank Screen After Getting Grand Star

When playing Super Mario Galaxy 2 using Dolphin emulator, the following settings will need to be unchecked to prevent the blank screen problem after getting the Grand Star. This applies for any Grand Star level.

- Plugins->DSP: Dolphin DSP-HLE Plugin
- [unchecked] Enable HLE Audio
- [unchecked] Enable DTK Music
- [unchecked] Enable Audio Trottle
- Audio backend:
- No Audio Output

- Disable Save State!

Source: http://forums.dolphin-emulator.com/showthread.php?tid=14133