Resolve switch statement indentation issue.

Author: danielrbrowne

Sources/PusherClientOptions.swift

@@ -6,7 +6,7 @@ public enum PusherHost {
 
     public var stringValue: String {
         switch self {
-            case .host(let host): return host
+        case .host(let host): return host
         case .cluster(let cluster): return "ws-\(cluster).\(Constants.API.pusherDomain)"
         }
     }