trans: Don't ignore zero-sized struct arguments on x86_64-pc-windows-gnu.
trans: Don't ignore zero-sized struct arguments on x86_64-pc-windows-gnu.

aidancully/rust,aidancully/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust,graydon/rust,GBGamer/rust,graydon/rust,graydon/rust,GBGamer/rust,graydon/rust,aidancully/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,graydon/rust,graydon/rust