replace deprecated std::auto_ptr with std::unique_ptr

modules/gfx/pymod/export_gradient.cc

@@ -33,7 +33,7 @@ using namespace ost::gfx;
 namespace {
   Gradient* make_gradient_d(const dict& d)
   {
-    std::auto_ptr<Gradient> grad(new Gradient);
+    std::unique_ptr<Gradient> grad(new Gradient);
     list keys = d.keys();
     for(int i=0;i<len(keys);++i) {
       extract<float> fex(keys[i]);
@@ -65,7 +65,7 @@ namespace {
 
   Gradient* make_gradient_l(const list& l)
   {
-    std::auto_ptr<Gradient> grad(new Gradient);
+    std::unique_ptr<Gradient> grad(new Gradient);
     float mf = len(l)<2 ? 0.0 : 1.0/static_cast<float>(len(l)-1); 
     for(int i=0;i<len(l);++i) {
       float mark = static_cast<float>(i)*mf;

modules/gui/pymod/export_perspective.cc

@@ -45,8 +45,7 @@ object app_get_menu(Perspective* pers, const QString& name)
 
 void export_Perspective()
 {
-  class_<Perspective, std::auto_ptr<Perspective>,
-         boost::noncopyable>("Perspective", no_init)
+  class_<Perspective, boost::noncopyable>("Perspective", no_init)
     .def("GetPanels", &Perspective::GetPanels,
          return_value_policy<reference_existing_object>())
     .def("GetMainArea", &Perspective::GetMainArea,

modules/mol/base/src/impl/query_impl.cc

@@ -743,7 +743,7 @@ Node* QueryImpl::ParsePropValueExpr(QueryLexer& lexer) {
       return NULL;
     }
   }
-  std::auto_ptr<Node> root_value(NULL);
+  std::unique_ptr<Node> root_value;
   do {
     Node* sel_node=this->ParseValueOrRange(property, op, lexer);
     if (sel_node==NULL) {
@@ -814,10 +814,10 @@ Node* QueryImpl::ParseBracketSubExpr(QueryLexer& lexer) {
 }
 
 Node* QueryImpl::ParseSubExpr(QueryLexer& lexer, bool paren) {
-  // Use auto_ptr to protect against memory leaks. In case of early exit, i.e.
+  // Use unique_ptr to protect against memory leaks. In case of early exit, i.e.
   // exceptions, the memory associated with root_node and its child nodes will
   // be freed.
-  std::auto_ptr<Node> root_node(NULL);
+  std::unique_ptr<Node> root_node;
   Node* new_node=NULL;
   QueryToken t=lexer.CurrentToken();
   LogicOP logic_op=LOP_AND;