pam_system: use (void) to silence coverity

CID #996284.

diff --git a/src/login/pam_systemd.c b/src/login/pam_systemd.c
index cdd45acdaddc835c75b4431d66fb25d18cf1498c..1416701ee1c3cad484f5cf241513751fd626c8d9 100644 (file)
--- a/src/login/pam_systemd.c
+++ b/src/login/pam_systemd.c
@@ -336,7 +336,7 @@ _public_ PAM_EXTERN int pam_sm_open_session(
 
         /* If this fails vtnr will be 0, that's intended */
         if (!isempty(cvtnr))
-                safe_atou32(cvtnr, &vtnr);
+                (void) safe_atou32(cvtnr, &vtnr);
 
         if (!isempty(display) && !vtnr) {
                 if (isempty(seat))