Ok... so yea... still some broken generator code here, but it is unrelated to my one character change.  It is generating this C# code:

```
        public bool TestPrimitiveInOut(ref int i)
        {
            int _i; // BUG...  this isn't initialized to "i".
            var arg0 = &_i;
            var __ret = Internal.TestPrimitiveInOut_0(__Instance, arg0);
            i = _i;
            return __ret;
        }
```

I'll see if I can fix that too and submit it together.