Added calls to TestDanglingEnds() at undo and redo, so dangling ends are...

Added calls to TestDanglingEnds() at undo and redo, so dangling ends are correctly updated (e.g. when a compnent deletion is undone).

eeschema/schedit.cpp

@@ -712,13 +712,17 @@ void WinEDA_SchematicFrame::Process_Special_Functions( wxCommandEvent& event )
         break;
 
     case ID_SCHEMATIC_UNDO:
-        if( GetSchematicFromUndoList() )
+        if( GetSchematicFromUndoList() ){
+            TestDanglingEnds( GetScreen()->EEDrawList, &dc );
             DrawPanel->Refresh( TRUE );
+        }
         break;
 
     case ID_SCHEMATIC_REDO:
-        if( GetSchematicFromRedoList() )
+        if( GetSchematicFromRedoList() ){
+            TestDanglingEnds( GetScreen()->EEDrawList, &dc );
             DrawPanel->Refresh( TRUE );
+        }
         break;
 
     default:        // Log error: