As per http://www.nist.gov/dads/HTML/shellsort.html

, this should be
referred to as a Shell sort.  Shell-Metzner is a misnomer.

Signed-off-by: Daniel Dickman <[email protected]>
Signed-off-by: Domen Puncer <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>