update [email protected], tweaks

Author: rnro

[email protected]

@@ -21,6 +21,7 @@ var targets: [PackageDescription.Target] = [
         dependencies: [
             .product(name: "NIO", package: "swift-nio"),
             .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOHTTP1", package: "swift-nio")
         ]),
     .target(
         name: "NIOHTTPCompression",

Sources/NIOExtras/HTTP1ProxyConnectHandler.swift

@@ -161,9 +161,9 @@ public final class NIOHTTP1ProxyConnectHandler: ChannelDuplexHandler, RemovableC
                 // has not yet been formed and that the connection remains governed by HTTP.
                 self.failWithError(Error.invalidProxyResponseHead(head), context: context)
             }
-        case .failed, .completed:
+        case .failed:
             break
-        case .initialized, .headReceived:
+        case .initialized, .headReceived, .completed:
             preconditionFailure("Invalid state: \(self.state)")
         }
     }