Fix memory leak in wxRibbonToolBar in case of error.

Use wxScopedPtr to ensure the tool is not leaked, even if we fail to insert
it.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75959 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/ribbon/toolbar.cpp

@@ -20,6 +20,7 @@
 #include "wx/ribbon/art.h"
 #include "wx/ribbon/bar.h"
 #include "wx/dcbuffer.h"
+#include "wx/scopedptr.h"
 
 #ifndef WX_PRECOMP
 #endif
@@ -244,7 +245,7 @@ wxRibbonToolBarToolBase* wxRibbonToolBar::InsertTool(
     wxASSERT(bitmap.IsOk());
 
     // Create the wxRibbonToolBarToolBase with parameters
-    wxRibbonToolBarToolBase* tool = new wxRibbonToolBarToolBase;
+    wxScopedPtr<wxRibbonToolBarToolBase> tool(new wxRibbonToolBarToolBase);
     tool->id = tool_id;
     tool->bitmap = bitmap;
     if(bitmap_disabled.IsOk())
@@ -270,8 +271,10 @@ wxRibbonToolBarToolBase* wxRibbonToolBar::InsertTool(
         size_t tool_count = group->tools.GetCount();
         if(pos <= tool_count)
         {
-            group->tools.Insert(tool, pos);
-            return tool;
+            // Give the ownership of the tool to group->tools
+            wxRibbonToolBarToolBase* const p = tool.release();
+            group->tools.Insert(p, pos);
+            return p;
         }
         pos -= tool_count + 1;
     }