MSVC: fix for failing tests due to strtod+hexadecimal literals

[Kai Nacke via digitalmars-d-ldc]

Hi Johan!

On Sunday, 1 March 2015 at 21:00:53 UTC, Johan Engelen wrote:
> Is this a desired fix? (i.e. trying to make a better build with 
> MSVC while we wait for the new version)

Not really. It fixes building std.math but fails with any user 
application.

What about implement a hex value parsing function which is 
invoked if the result is 0?

> One positive effect of this change is that it un-hides some 
> other failing tests.

As a local fix, this is good.

Regards,
Kai