Speed up compilation in Visual D

[Rainer Schuetze]

On 26/04/2019 09:52, Rainer Schuetze wrote:
>> As if when generating the command line for single file compilation you
>> forgot to append the additional options string to it.
> Yes, looks like a bug in Visual D: it adds the additional command line
> options to the link, but not to the single file compiler invocations.
> 

fixed in https://github.com/dlang/visuald/releases/tag/v0.49.2