Fix uninitialized pointer in CNxTKWindow

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4706 7fd9a85b-ad96-42d3-883c-3090e2eb8679

NxWidgets/ChangeLog.txt

@@ -27,3 +27,5 @@
   footprint.
 * CNxWidget: Removed support for reference constants and close types.
   The goal is to ge the base widget class as small as possible.
+* CNxTkWindow:  Fix uninitialized pointer value.
+

NxWidgets/libnxwidgets/src/cnxtkwindow.cxx

@@ -66,9 +66,18 @@ using namespace NXWidgets;
  */
   
 CNxTkWindow::CNxTkWindow(NXHANDLE hNxServer, CWidgetControl *pWidgetControl)
-  : CCallback(pWidgetControl), m_hNxServer(hNxServer), m_hNxTkWindow(0),
-    m_widgetControl(pWidgetControl)
+  : CCallback(pWidgetControl)
 {
+  // Save construction values
+
+  m_hNxServer     = hNxServer;
+  m_widgetControl = pWidgetControl;
+
+  // Nullify uninitilized pointers
+
+  m_hNxTkWindow   = (NXTKWINDOW  )0;
+  m_toolbar       = (CNxToolbar *)0;
+
   // Create the CGraphicsPort instance for this window
 
   m_widgetControl->createGraphicsPort(static_cast<INxWindow*>(this));

nuttx/graphics/nxtk/nxtk_opentoolbar.c

@@ -115,7 +115,7 @@ int nxtk_opentoolbar(NXTKWINDOW hfwnd, nxgl_coord_t height,
   nxtk_setsubwindows(fwnd);
 
   /* Then redraw the entire window, even the client window must be
-   * redraw because it has changed its vertical position and size.
+   * redrawn because it has changed its vertical position and size.
    */
 
   nxfe_redrawreq(&fwnd->wnd, &fwnd->wnd.bounds);