rustc_codegen_ssa: Remove trailing spaces in Display impl for CguReuse
Otherwise errors will look like this:
error: CGU-reuse for `cgu_invalidated_via_import-bar` is `PreLto ` but should be `PostLto `
### Background
I noticed that error messages looked wonky while investigating if
|
||
|---|---|---|
| .. | ||
| src | ||
| Cargo.toml | ||
| messages.ftl | ||
| README.md | ||
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.