syslogd: Fix sizeof() styling

[jfree]

Summary

Use parentheses when applying sizeof() per style(9).

[emaste]

when calling sizeof()

We don't really "call" sizeof (why parens aren't needed) so perhaps "with sizeof()"

[markj]

In D41376#942040, @emaste wrote:

when calling sizeof()

We don't really "call" sizeof (why parens aren't needed) so perhaps "with sizeof()"

Right, sizeof is an operator, so "when applying sizeof" would be more appropriate if you wanted to keep the original sentence structure.

[jfree]

Update after rebase

[jfree]

Update to avoid rebase conflict