Color Appearance Model 2002 added (see issue 1572). Credits: JDesmis for the core (and hard work!), Hombre for the GUI tuning

rtgui/lensgeom.cc

@@ -20,13 +20,13 @@
 #include "guiutils.h"
 #include "rtimage.h"
 
-extern Glib::ustring argv0;
-
 using namespace rtengine;
 using namespace rtengine::procparams;
 
 LensGeometry::LensGeometry () : Gtk::VBox(), FoldableToolPanel(this), rlistener(NULL) {
 
+  set_border_width(4);
+
   fill = Gtk::manage (new Gtk::CheckButton (M("TP_LENSGEOM_FILL")));
   pack_start (*fill);