shutdown: use (void)

NULL cgroup is handled below.

diff --git a/src/core/shutdown.c b/src/core/shutdown.c
index 6296b4c94a16999ad1a8e6e063d4b849fcc7732f..96679c920fa3ef568637f09e1319b1617ed43a58 100644 (file)
--- a/src/core/shutdown.c
+++ b/src/core/shutdown.c
@@ -202,7 +202,7 @@ int main(int argc, char *argv[]) {
                 goto error;
         }
 
-        cg_get_root_path(&cgroup);
+        (void) cg_get_root_path(&cgroup);
 
         use_watchdog = !!getenv("WATCHDOG_USEC");