fixed an issue with proxy connect if global proxy config is used

Net/include/Poco/Net/HTTPClientSession.h

@@ -1,7 +1,7 @@
 //
 // HTTPClientSession.h
 //
-// $Id: //poco/1.4/Net/include/Poco/Net/HTTPClientSession.h#7 $
+// $Id: //poco/1.4/Net/include/Poco/Net/HTTPClientSession.h#8 $
 //
 // Library: Net
 // Package: HTTPClient
@@ -100,6 +100,9 @@ public:
 	HTTPClientSession(const std::string& host, Poco::UInt16 port = HTTPSession::HTTP_PORT);
 		/// Creates a HTTPClientSession using the given host and port.
 
+	HTTPClientSession(const std::string& host, Poco::UInt16 port, const ProxyConfig& proxyConfig);
+		/// Creates a HTTPClientSession using the given host, port and proxy configuration.
+
 	virtual ~HTTPClientSession();
 		/// Destroys the HTTPClientSession and closes
 		/// the underlying socket.

Net/src/HTTPClientSession.cpp

@@ -1,7 +1,7 @@
 //
 // HTTPClientSession.cpp
 //
-// $Id: //poco/1.4/Net/src/HTTPClientSession.cpp#14 $
+// $Id: //poco/1.4/Net/src/HTTPClientSession.cpp#15 $
 //
 // Library: Net
 // Package: HTTPClient
@@ -87,6 +87,18 @@ HTTPClientSession::HTTPClientSession(const std::string& host, Poco::UInt16 port)
 }
 
 
+HTTPClientSession::HTTPClientSession(const std::string& host, Poco::UInt16 port, const ProxyConfig& proxyConfig):
+	_host(host),
+	_port(port),
+	_proxyConfig(proxyConfig),
+	_keepAliveTimeout(DEFAULT_KEEP_ALIVE_TIMEOUT, 0),
+	_reconnect(false),
+	_mustReconnect(false),
+	_expectResponseBody(false)
+{
+}
+
+
 HTTPClientSession::~HTTPClientSession()
 {
 }
@@ -379,7 +391,8 @@ void HTTPClientSession::proxyAuthenticateImpl(HTTPRequest& request)
 
 StreamSocket HTTPClientSession::proxyConnect()
 {
-	HTTPClientSession proxySession(getProxyHost(), getProxyPort());
+	ProxyConfig emptyProxyConfig;
+	HTTPClientSession proxySession(getProxyHost(), getProxyPort(), emptyProxyConfig);
 	proxySession.setTimeout(getTimeout());
 	std::string targetAddress(_host);
 	targetAddress.append(":");