--- loncom/interface/groupsort.pm	2002/09/16 20:57:28	1.16
+++ loncom/interface/groupsort.pm	2003/01/09 22:04:28	1.17
@@ -2,7 +2,7 @@
 # The LON-CAPA group sort handler
 # Allows for sorting prior to import into RAT.
 #
-# $Id: groupsort.pm,v 1.16 2002/09/16 20:57:28 matthew Exp $
+# $Id: groupsort.pm,v 1.17 2003/01/09 22:04:28 www Exp $
 # 
 # Copyright Michigan State University Board of Trustees
 #
@@ -44,6 +44,10 @@ use Apache::loncommon;
 my %hash; # variable to tie to user specific database
 my $iconpath; # variable to be accessible to multiple subroutines
 
+sub cleanup {
+   untie(%hash) if (tied(%hash));
+}
+
 # ---------------------------------------------------------------- Main Handler
 sub handler {
     my $r = shift;