Switch to canonic handling of timeval possibly embedded in
struct utmp, see manpage.
https://bugs.gentoo.org/943014
--- a/sptagent.c
+++ b/sptagent.c
@@ -1033,7 +1033,10 @@
 {
 #ifdef HAVE_UTMP_UT_TV
 #ifdef HAVE_GETTIMEOFDAY
-    gettimeofday(&utptr->ut_tv, NULL);
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    utptr->ut_tv.tv_sec = tv.tv_sec;
+    utptr->ut_tv.tv_usec = tv.tv_usec;
 #else
     utptr->ut_tv.tv_sec = time(NULL);
     utptr->ut_tv.ut_usec = 0;