fix usage of deprecated methods (#85)

Author: artemredkin

Tests/AsyncHTTPClientTests/HTTPClientTestUtils.swift

@@ -97,8 +97,8 @@ internal class HttpBin{
 }
 
 staticfunc configureTLS(channel:Channel)->EventLoopFuture<Void>{
-letconfiguration=TLSConfiguration.forServer(certificateChain:[.certificate(try!NIOSSLCertificate(buffer:cert.utf8.map(Int8.init), format:.pem))],
- privateKey:.privateKey(try!NIOSSLPrivateKey(buffer:key.utf8.map(Int8.init), format:.pem)))
+letconfiguration=TLSConfiguration.forServer(certificateChain:[.certificate(try!NIOSSLCertificate(bytes:Array(cert.utf8), format:.pem))],
+ privateKey:.privateKey(try!NIOSSLPrivateKey(bytes:Array(key.utf8), format:.pem)))
 letcontext=try!NIOSSLContext(configuration: configuration)
 return channel.pipeline.addHandler(try!NIOSSLServerHandler(context: context), position:.first)
 }
@@ -347,8 +347,8 @@ internal class HttpBinForSSLUncleanShutdown{
 .childChannelInitializer{ channel in
 letrequestDecoder=HTTPRequestDecoder()
 return channel.pipeline.addHandler(ByteToMessageHandler(requestDecoder)).flatMap{
-letconfiguration=TLSConfiguration.forServer(certificateChain:[.certificate(try!NIOSSLCertificate(buffer:cert.utf8.map(Int8.init), format:.pem))],
- privateKey:.privateKey(try!NIOSSLPrivateKey(buffer:key.utf8.map(Int8.init), format:.pem)))
+letconfiguration=TLSConfiguration.forServer(certificateChain:[.certificate(try!NIOSSLCertificate(bytes:Array(cert.utf8), format:.pem))],
+ privateKey:.privateKey(try!NIOSSLPrivateKey(bytes:Array(key.utf8), format:.pem)))
 letcontext=try!NIOSSLContext(configuration: configuration)
 return channel.pipeline.addHandler(try!NIOSSLServerHandler(context: context), name:"NIOSSLServerHandler", position:.first).flatMap{
  channel.pipeline.addHandler(HttpBinForSSLUncleanShutdownHandler(channelPromise: channelPromise))