GCC Warning- a_y and b_y are unusued

[nsmryan]

Building this library on Manjaro Linux within the wfc-rs Rust crate warns that a_y and b_y are unused.

Apparently some additional warnings are enabled, at least -Werror.

wfc/wfc.h

Line 464 in 38b08ab

int a_y = a_offy + y;