Installer: Fix for not escaping backslash

Author: pre-martin

StreamDeckSimHub.Installer/Tools/Configuration.cs

@@ -24,7 +24,7 @@ public static class Configuration
 
         public const string SimHubRegistryFolder = @"HKEY_CURRENT_USER\Software\SimHub";
         public const string SimHubRegistryInstallFolder = "InstallDirectory";
-        public static readonly string SimHubDefaultInstallFolder = Path.Combine("C:\", "Program Files (x86)", "SimHub");
+        public static readonly string SimHubDefaultInstallFolder = Path.Combine(@"C:\", "Program Files (x86)", "SimHub");
 
         public const string SimHubPluginUrl = "https://github.com/pre-martin/SimHubPropertyServer";
         public static readonly Version RequiredSimHubPluginVersion = new Version(1, 13, 0);