Please update nasm package

[Michal Feix]

> Hi,
> 
> I'm planning to submit ITP for dav1d
> https://code.videolan.org/videolan/dav1d
> and tried to build it on cygwin, however, it failed because
> nasm is too old. The current stable version is 2.16.03 while
> cygwin package version is 2.13.01.
> 
> Could the maintainer please update the nasm package?
Hi Takashi, I will have a look into this troghout the rest of this week.

Best,

--
Michal Feix