sfwbar - Debian cross build

#1114373: FTBFS: ../src/wayland/xdg-output.c:29:23: error: initialization of 'void (*)(void *, struct zxdg_output_v1 *, int32_t, int32_t)' {aka 'void (*)(void *, struct zxdg_output_v1 *, int, int)'} from incompatible pointer type 'void (*)(void)' [-Wincompatible-pointer-types]

started	version	build architecture	host architecture	result log
29 d	1.0~beta13-1	amd64	armhf	ok xz
53 d	1.0~beta13-1	amd64	s390x	ok xz
105 d	1.0~beta13-1	amd64	ppc64el	ok xz
290 d	1.0~beta13-1	amd64	riscv64	ok xz
1 y	1.0~beta13-1	amd64	mips64el	ok xz
1 y	1.0~beta13-1	arm64	amd64	ok xz
1 y	1.0~beta13-1	arm64	i386	ok xz
1 y	1.0~beta13-1	amd64	mips64el	ok xz
1 y	1.0~beta13-1	amd64	armel	ok xz
1 y	1.0~beta13-1	amd64	armhf	ok xz
1 y	1.0~beta13-1	amd64	ppc64el	ok xz
1 y	1.0~beta13-1	amd64	arm64	ok xz
1 y	1.0~beta13-1	amd64	s390x	ok xz