Fix expected macro formatting test output.
Fix expected macro formatting test output.

SingingTree/rustfmt,graydon/rust,SingingTree/rustfmt,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,rust-lang/rustfmt,rust-lang/rustfmt,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust