[ruby/getoptlong] [DOC] Add spaces to fix formatting in example

To make the example code verbatim.
Fixes ruby/ruby#8061

https://github.com/ruby/getoptlong/commit/85fe502916
This commit is contained in:
B. Burt 2023-07-12 16:02:20 -07:00 committed by git
parent 76ef28186f
commit 0454887a0e