[llvm] [ObjectYAML] Avoid comparison of compressed data (PR #202413)

[Michael Jones via llvm-commits]

michaelrj-google wrote:

> This fix is completely reasonable, but in the future could you please avoid making NFC whitespace changes in the same commit as a functional fix? It adds a lot of noise.

Sorry about that, my editor trims trailing whitespace automatically.

https://github.com/llvm/llvm-project/pull/202413