Patch for /trunk/src/scheduler.h

```
I've added the option to save all general purpose registers, if you don't do 
this you can get stuck in some loops + you can get bad return values!
```

Original issue reported on code.google.com by `Leg3ndda...@gmail.com` on 15 Aug 2011 at 7:10

Attachments:
- [scheduler.h.patch](https://storage.googleapis.com/google-code-attachments/jamesm-tutorials/issue-4/comment-0/scheduler.h.patch)
