um: vector: Fix indentation for help message

For consistency with other help messages, use four spaces for
indentation instead of a tab plus a space.

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Tiwei Bie 2025-08-27 08:56:58 +08:00 • committed by Johannes Berg
commit 2cc62ed234