Put braces around code block in one-line `if`
Put braces around code block in one-line `if`

Hats off to kmws' vigilance:
https://github.com/newsboat/newsboat/pull/277#issuecomment-421799508

newsboat/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,der-lyse/newsboat,newsboat/newsboat,newsboat/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,newsboat/newsboat