[Buildroot] [git commit branch/2018.05.x] systemd: fix nogroup

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=7d3f0d22e45798a0b9e38a593dd6802359e58c56
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2018.05.x

The special 65534 group is named nogroup (not nobody) in buildroot
tell systemd about that

Signed-off-by: Jérémy Rosen <jeremy.rosen at smile.fr>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
(cherry picked from commit 9d912e619d48a7dfaed29d490bf389603974cfd2)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/systemd/systemd.mk | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/package/systemd/systemd.mk b/package/systemd/systemd.mk
index db7fb43636..1c1808dbcb 100644
--- a/package/systemd/systemd.mk
+++ b/package/systemd/systemd.mk
@@ -48,7 +48,8 @@ SYSTEMD_CONF_OPTS += \
 	-Dkexec-path=/usr/sbin/kexec \
 	-Dsulogin-path=/usr/sbin/sulogin \
 	-Dmount-path=/usr/bin/mount \
-	-Dumount-path=/usr/bin/umount
+	-Dumount-path=/usr/bin/umount \
+	-Dnobody-group=nogroup
 
 # disable unsupported features for non-glibc toolchains
 ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)