--- xscreensaver-5.02/driver/subprocs.c.pidnum_debug	2007-03-15 17:23:37.000000000 +0900
+++ xscreensaver-5.02/driver/subprocs.c	2007-08-28 16:40:38.000000000 +0900
@@ -93,7 +93,7 @@
       num = -num;
     }
 
-  while ((num > 0) && (num_digits < sizeof(string - 1)))
+  while ((num > 0) && (num_digits < sizeof(string) - 1))
     {
       int digit;
       digit = (int) num % 10;