determinism: change some fixed timestamp to != (time_t)0

vcunat removed the unrelated glib change.
Conflicts:
	pkgs/development/libraries/glib/default.nix
	pkgs/os-specific/linux/kernel/generic.nix
	pkgs/os-specific/linux/kernel/manual-config.nix

pkgs/development/interpreters/perl/5.16/no-impure-config-time.patch

@@ -4,7 +4,7 @@
  
  : who configured the system
  cf_time=`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`
-+cf_time='Thu Jan  1 00:00:00 UTC 1970'
++cf_time='Thu Jan  1 00:00:01 UTC 1970'
 +
  case "$cf_by" in
  "")