guild raises warnings about unused variable from SRFI-64

[Jérémy Korwin-Zmijowski]

Hello Guilers,

While using SRFI-64, I rely on guild to give the more feedback it can
about my code. But sometimes, the cause doesn't come from my code and
the warnings get annoying like this one from SRFI-64 each time I call a
test-* macro:

   warning: unused variable `name'

I would like to ask if someone already came up with a fix for it. 
I do need this warning type. So maybe there is a way to act locally.

Cheers,
Jérémy