screen_queue: re-add NULL check
commit52abee9034de15172d9dcbc5c7519b109ee8b783
authorMax Kellermann <max.kellermann@gmail.com>
Wed, 2 Aug 2017 07:40:14 +0000 (2 09:40 +0200)
committerMax Kellermann <max.kellermann@gmail.com>
Wed, 2 Aug 2017 07:40:14 +0000 (2 09:40 +0200)
tree437019d9a51e635442158c7fa75306d1d6b4c5d1
parent885d6cf20ac418dacdf999f7cbdfc684fdc3e735
screen_queue: re-add NULL check

It accidently got lost in 885d6cf20ac418dacdf999f7cbdfc684fdc3e735
src/screen_queue.c