Add new official .NET guards for OS dependant code.

Aaru.Devices/Device/List.cs

@@ -36,7 +36,6 @@ using System;
 using System.Runtime.InteropServices;
 using Aaru.CommonTypes.Interop;
 using Aaru.Console;
-using PlatformID = Aaru.CommonTypes.Interop.PlatformID;
 
 /// <summary>Contains device information</summary>
 [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
@@ -102,13 +101,15 @@ public sealed partial class Device
         serverArchitecture           = null;
 
         if(aaruRemote is null)
-            switch(DetectOS.GetRealPlatformID())
-            {
-                case PlatformID.Win32NT: return Windows.ListDevices.GetList();
-                case PlatformID.Linux:   return Linux.ListDevices.GetList();
-                default:
-                    throw new InvalidOperationException($"Platform {DetectOS.GetRealPlatformID()} not yet supported.");
-            }
+        {
+            if(OperatingSystem.IsWindows())
+                return Windows.ListDevices.GetList();
+
+            if(OperatingSystem.IsLinux())
+                return Linux.ListDevices.GetList();
+
+            throw new InvalidOperationException($"Platform {DetectOS.GetRealPlatformID()} not yet supported.");
+        }
 
         try
         {

Aaru.Devices/Linux/ListDevices.cs

@@ -36,6 +36,7 @@ using System;
 using System.IO;
 using System.Text;
 
+[System.Runtime.Versioning.SupportedOSPlatform("linux")]
 static class ListDevices
 {
     const string PATH_SYS_DEVBLOCK = "/sys/block/";

Aaru.Devices/Windows/ListDevices.cs

@@ -42,6 +42,7 @@ using Aaru.Helpers;
 using Microsoft.Win32.SafeHandles;
 using Marshal = System.Runtime.InteropServices.Marshal;
 
+[System.Runtime.Versioning.SupportedOSPlatform("windows")]
 static class ListDevices
 {
     /// <summary>Converts a hex dump string to the ASCII string it represents</summary>