daemon: style changes

This is not a functional change.

• Clean up whitespace (spaces where there should be tabs)
• Break up lines that are longer than 80

Reviewed by: kevans
Pull Request: https://github.com/freebsd/freebsd-src/pull/672

(cherry picked from commit 39ea4280e4c5e41f237e55770f4f62b04b24d899)