Merge branch 'sg/commit-graph-usage-fix'

Message fix. * sg/commit-graph-usage-fix: builtin/commit-graph.c: remove subcommand-less usage string

Junio C Hamano committed Nov 10, 2019 at 18:02 UTC 14b58c62bcd60b7b5bfbb895eb869f7d1d64a9b7

No changes.