Add System.Net.Security.Native to mmp

tools/common/CompilerFlags.cs

@@ -151,7 +151,7 @@ namespace Xamarin.Utils
 			AddFramework ("Foundation");
 			AddOtherFlag ("-lz");
 			if (Application.Platform != ApplePlatform.WatchOS && Application.Platform != ApplePlatform.TVOS)
-				Frameworks.Add ("CFNetwork"); // required by xamarin_start_wwan
+				AddFramework ("CFNetwork"); // required by xamarin_start_wwan
 		}
 
 		public void AddFramework (string framework)

tools/mmp/driver.cs

@@ -1601,6 +1601,7 @@ namespace Xamarin.Bundler {
 			case "oleaut32": // referenced by System.Runtime.InteropServices.Marshal._[S|G]etErrorInfo
 			case "system.native":	// handled by ProcessMonoNative()
 			case "system.security.cryptography.native.apple": // same
+			case "system.net.security.native": // same
 				return true;
 			}
 			// Shutup the warning until we decide on bug: 36478