Minor tweaks for older g++ support (#2362)

src/ngraph/runtime/plaidml/plaidml_impl.hpp

@@ -187,7 +187,7 @@ namespace ngraph
                 OpImplRegistration()
                 {
                     GlobalOpImplMap()->emplace(std::type_index{typeid(typename OID::Impl::Op)},
-                                               new OID());
+                                               std::unique_ptr<OpImplDescriptorBase>{new OID()});
                 }
             };
         }

src/ngraph/runtime/plaidml/plaidml_pass_explicit_logicals.cpp

@@ -84,7 +84,7 @@ void ngraph::runtime::plaidml::pass::ExplicitLogicals::construct_logical_to_data
                 vertexai::plaidml::function{"function (I) -> (O) { O = as_int(I ? 1 : 0, 8);}"},
                 NodeVector{producer},
                 std::vector<std::tuple<element::Type, PartialShape>>{
-                    {element::i8, PartialShape{producer->get_output_shape(0)}}}));
+                    {std::make_tuple(element::i8, PartialShape{producer->get_output_shape(0)})}}));
         return true;
     };