--- loncom/loncron	2021/02/01 01:33:17	1.103.2.10
+++ loncom/loncron	2021/02/02 21:17:47	1.103.2.11
@@ -2,7 +2,7 @@
 
 # Housekeeping program, started by cron, loncontrol and loncron.pl
 #
-# $Id: loncron,v 1.103.2.10 2021/02/01 01:33:17 raeburn Exp $
+# $Id: loncron,v 1.103.2.11 2021/02/02 21:17:47 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -43,6 +43,8 @@ use IO::File;
 use IO::Socket;
 use HTML::Entities;
 use Getopt::Long;
+use GDBM_File qw(GDBM_READER);
+use Storable qw(thaw nfreeze);
 use File::ReadBackwards;
 use File::Copy;
 use Sys::Hostname::FQDN();