core: voidify one function return
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@ -4971,7 +4971,7 @@ int unit_kill_context(
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if (!pid_set)
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return -ENOMEM;
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cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path,
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(void) cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path,
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SIGHUP,
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CGROUP_IGNORE_SELF,
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pid_set,
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