Removed some potential memory leaks.

common/tool/tool_manager.cpp

@@ -86,6 +86,19 @@ TOOL_MANAGER::TOOL_MANAGER()
 }
 
 
+TOOL_MANAGER::~TOOL_MANAGER()
+{
+    std::map<TOOL_BASE*, TOOL_STATE*>::iterator it, it_end;
+
+    for( it = m_toolState.begin(), it_end = m_toolState.end(); it != it_end; ++it )
+    {
+        delete it->second->cofunc;  // delete cofunction
+        delete it->second;          // delete TOOL_STATE
+        delete it->first;           // delete the tool itself
+    }
+}
+
+
 void TOOL_MANAGER::RegisterTool( TOOL_BASE* aTool )
 {
 	TOOL_STATE* st = new TOOL_STATE;

include/wxBasePcbFrame.h

@@ -95,8 +95,8 @@ protected:
     /// main window.
     wxAuiToolBar*       m_auxiliaryToolBar;
 
-    TOOL_MANAGER *m_toolManager;
-    TOOL_DISPATCHER *m_toolDispatcher;
+    TOOL_MANAGER*       m_toolManager;
+    TOOL_DISPATCHER*    m_toolDispatcher;
     
     void updateGridSelectBox();
     void updateZoomSelectBox();

include/wxPcbStruct.h

@@ -118,6 +118,7 @@ protected:
                                                 // to know the footprint name of components.
 
     void setupTools();
+    void destroyTools();
 	void onGenericCommand( wxCommandEvent& aEvent );
 		
     // we'll use lower case function names for private member functions.

pcbnew/pcbframe.cpp

@@ -485,6 +485,7 @@ PCB_EDIT_FRAME::PCB_EDIT_FRAME( wxWindow* parent, const wxString& title,
 
 PCB_EDIT_FRAME::~PCB_EDIT_FRAME()
 {
+    destroyTools();
     m_RecordingMacros = -1;
 
     for( int i = 0; i < 10; i++ )

pcbnew/tools/pcb_tools.cpp

@@ -50,6 +50,13 @@ void PCB_EDIT_FRAME::setupTools()
 }
 
 
+void PCB_EDIT_FRAME::destroyTools()
+{
+    delete m_toolDispatcher;
+    delete m_toolManager;
+}
+
+
 void PCB_EDIT_FRAME::onGenericCommand( wxCommandEvent &aEvent )
 {
 	m_toolDispatcher->DispatchWxCommand( aEvent );