fiji_setup: use CHANGED_VALUE constant as intended

bin/fiji_setup.pl

@@ -53,7 +53,7 @@ use constant FILE_TYPES_CFG => [['FIJI Configurations', ['.cfg', '*.ini']], ['Al
 
 use constant FILE_TYPES_NETLIST => [['Verilog Netlists', ['.v', '.vm', '*.vqm']], ['All files', '*'],];
 
-use constant CHANGED_VALUE   => "<M>";
+use constant CHANGED_VALUE   => "*";
 use constant UNCHANGED_VALUE => "";
 
 use constant APPNAME => 'FIJI Settings Editor';
@@ -528,10 +528,10 @@ sub _indicate_changes {
 
     if ($unsaved_changes == 1) {
         $self->{'change_label'}->configure(-image => Tk::FIJIUtils::save_image($self->{'mw'}));
-        $self->{'mw'}->configure(-title => "*" . APPNAME);
+        $self->{'mw'}->configure(-title => CHANGED_VALUE . APPNAME);
     } else {
         $self->{'change_label'}->configure(-image => Tk::FIJIUtils::dummy_image($self->{'mw'}));
-        $self->{'mw'}->configure(-title => APPNAME);
+        $self->{'mw'}->configure(-title => UNCHANGED_VALUE . APPNAME);
     }
 }