pam_system: use (void) to silence coverity

CID #996284.

diff --git a/src/login/pam_elogind.c b/src/login/pam_elogind.c
index 3a4cb03f7493ba8e0e831678f289842b1b4b8eaf..1eecbf9d68df05fc742c62f13bfc1d827a3c8eec 100644 (file)
--- a/src/login/pam_elogind.c
+++ b/src/login/pam_elogind.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))