--- xscreensaver-5.12/driver/passwd.c.debug2 2008-12-27 19:17:26.000000000 +0900
+++ xscreensaver-5.12/driver/passwd.c 2011-04-03 21:55:26.000000000 +0900
@@ -205,7 +205,7 @@
{
# ifdef HAVE_SYSLOG
struct passwd *pw = getpwuid (getuid ());
- char *d = DisplayString (si->dpy);
+ char *d = (si->dpy ? DisplayString (si->dpy) : 0);
char *u = (pw && pw->pw_name ? pw->pw_name : "???");
int opt = 0;
int fac = 0;