.di generator fix

[Stefan Koch via Digitalmars-d]

On Monday, 3 April 2017 at 11:16:41 UTC, Satoshi wrote:
> https://issues.dlang.org/show_bug.cgi?id=16590
>
> 6 months from reporting this bug and there is still no usable 
> fix...
>
>
> How to test:
> 1. generate di files from druntime and phobos
> 2. compile any bigger project like vibe.d to .di files instead 
> of .d files.
> 3. fix bugs

I fixed at trusted thing just now :)