This table format specification was bogus. It specified 4 columns, but
we were only using 3. Due to the commit in which that was introduced,
I suspect it was just a typo that went unnoticed.
Fixes: 0ab815e900ce (2021-01-06; "man-pages.7: ffix: don't fill text in tables") Reported-by: Ingo Schwarze <schwarze@openbsd.org> Suggested-by: Ingo Schwarze <schwarze@openbsd.org> Signed-off-by: Alejandro Colomar <alx@kernel.org>