fixed router test for linux.

NzbDrone.App.Test/RouterTest.cs

@@ -10,6 +10,13 @@ namespace NzbDrone.App.Test
     [TestFixture]
     public class RouterTest : TestBase<Router>
     {
+        [SetUp]
+        public void Setup()
+        {
+            WindowsOnly();
+        }
+
+
         [Test]
         public void Route_should_call_install_service_when_application_mode_is_install()
         {

NzbDrone/Router.cs

@@ -110,12 +110,12 @@ namespace NzbDrone
                 return ApplicationModes.Help;
             }
 
-            if (_startupArguments.Flags.Contains(StartupArguments.INSTALL_SERVICE))
+            if (!OsInfo.IsLinux && _startupArguments.Flags.Contains(StartupArguments.INSTALL_SERVICE))
             {
                 return ApplicationModes.InstallService;
             }
 
-            if (_startupArguments.Flags.Contains(StartupArguments.UNINSTALL_SERVICE))
+            if (!OsInfo.IsLinux && _startupArguments.Flags.Contains(StartupArguments.UNINSTALL_SERVICE))
             {
                 return ApplicationModes.UninstallService;
             }