diff -r 7e6ad28aeb9e -r aa50a64b3a6e main_win.cc
--- a/main_win.cc	Mon Oct 02 18:52:00 2006 +0000
+++ b/main_win.cc	Mon Oct 02 19:00:23 2006 +0000
@@ -359,7 +359,6 @@
   bool zoomtrack;
   double width;
   double radius;
-  double unit;
   tabs[active_tab]->getView(autoscale, zoomtrack, width, radius);
   edge_width->set_value(width);
   radius_size->set_value(radius);
@@ -533,7 +532,6 @@
 {
   double width=edge_width->get_value();
   double radius=radius_size->get_value();
-  double unit;
   bool zoomtrack=zoom_track->get_active();
   bool autoscale=auto_scale->get_active();
   tabs[active_tab]->setView(autoscale, zoomtrack, width, radius);