shared/cgroup-show: use (void)

CID #1368243.

diff --git a/src/shared/cgroup-show.c b/src/shared/cgroup-show.c
index 5d21742a096b968de6ffbdc24625384b7bad9fa7..f5bb0603c3cd18df98fbc53fdaa38faf73198ac6 100644 (file)
--- a/src/shared/cgroup-show.c
+++ b/src/shared/cgroup-show.c
@@ -73,7 +73,7 @@ static void show_pid_array(
         for (i = 0; i < n_pids; i++) {
                 _cleanup_free_ char *t = NULL;
 
-                get_process_cmdline(pids[i], n_columns, true, &t);
+                (void) get_process_cmdline(pids[i], n_columns, true, &t);
 
                 if (extra)
                         printf("%s%s ", prefix, special_glyph(TRIANGULAR_BULLET));