It was merged upstream in commit 8bd66d147c88bd441178c7b4c774ae5a185f19b8
in Linux v5.0, but was never removed from glitched-base. Applying it just
just adds a duplicate ifndef-define-endif block that has no effect.
Signed-off-by: Juuso Alasuutari <juuso.alasuutari@gmail.com>