Update import

Import/Vlpp.Windows.cpp

@@ -112,7 +112,7 @@ namespace vl
 DateTime
 ***********************************************************************/
 
-	class WindowsDateTimeImpl : public Object, public virtual IDateTimeImpl
+	class WindowsDateTimeImpl : public feature_injection::FeatureImpl<IDateTimeImpl>
 	{
 	public:
 
@@ -234,10 +234,9 @@ DateTime
 		}
 	};
 
-	WindowsDateTimeImpl osDateTimeImpl;
-
 	IDateTimeImpl* GetOSDateTimeImpl()
 	{
+		static WindowsDateTimeImpl osDateTimeImpl;
 		return &osDateTimeImpl;
 	}
 }