QT: Added xtt_xcrr destructor.

xtt/lib/xtt/qt/xtt_xcrr_qt.cqt

@@ -97,7 +97,6 @@ void XCrrQt::print()
 
 void XCrrQtWidget::closeEvent(QCloseEvent* event)
 {
-  debug_print("XCrrQtWidget::closeEvent\n");
   if (xcrr->close_cb) {
     (xcrr->close_cb)(xcrr->parent_ctx, xcrr);
   } else {
@@ -106,6 +105,11 @@ void XCrrQtWidget::closeEvent(QCloseEvent* event)
   QWidget::closeEvent(event);
 }
 
+XCrrQt::~XCrrQt()
+{
+  delete xcrrnav;
+}
+
 XCrrQt::XCrrQt(QWidget* xa_parent_wid, void* xa_parent_ctx,
     pwr_sAttrRef* xa_objar, int xa_advanced_user, int* xa_sts)
     : XCrr(xa_parent_ctx, xa_objar, xa_advanced_user, xa_sts)

xtt/lib/xtt/qt/xtt_xcrr_qt.h

@@ -49,6 +49,7 @@ class XCrrQt : public XCrr {
 public:
   XCrrQt(QWidget* xa_parent_wid, void* xa_parent_ctx, pwr_sAttrRef* xa_objar,
       int xa_advanced_user, int* xa_sts);
+  ~XCrrQt();
   QWidget* brow_widget;
   QWidget* form_widget;
   CoWowFocusTimerQt focustimer;