Backport from HEAD: Fix memory leak in wxAUI.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@45822 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/aui/auibook.cpp

@@ -2232,6 +2232,11 @@ public:
         m_tab_ctrl_height = 20;
     }
 
+	~wxTabFrame()
+	{
+		wxDELETE(m_tabs);
+	}
+
     void SetTabCtrlHeight(int h)
     {
         m_tab_ctrl_height = h;

src/aui/framemanager.cpp

@@ -511,6 +511,12 @@ wxAuiManager::wxAuiManager(wxWindow* managed_wnd, unsigned int flags)
 
 wxAuiManager::~wxAuiManager()
 {
+	for(int i = 0; i < m_panes.Count(); i++ )
+	{
+		wxAuiPaneInfo& pinfo = m_panes.Item(i);
+		if( pinfo.window && pinfo.window->GetParent() == 0 )
+			delete pinfo.window;
+	}
     delete m_art;
 }