SuccessChanges

Summary

  1. [docs][llvm-ar] Fix option:: O after r375106 (details)
Commit 5095a67a1a0c1ab170670d7eafa7c4448ffc3a21 by maskray
[docs][llvm-ar] Fix option:: O after r375106
docs-llvm-html fails => unknown option: O
There are lots of formatting issues in the file but they will be fixed
by D68998.
llvm-svn: 375107
The file was modifiedllvm/docs/CommandGuide/llvm-ar.rst