git: tools: Update commit-msg script a bit

[Aaron LI]

commit 3ea159d21ed3dbdaa587f79c9c4fd2ece13fe6e3
Author: Aaron LI <aly at aaronly.me>
Date:   Sun Dec 27 11:40:11 2020 +0800

    tools: Update commit-msg script a bit

Summary of changes:
 tools/commit-msg | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/3ea159d21ed3dbdaa587f79c9c4fd2ece13fe6e3


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