Fix up IP port number to be ushort where it is used instead of short.

alethzero/MainWin.cpp

@@ -278,7 +278,7 @@ void Main::on_connect_triggered()
 	if (ok && s.contains(":"))
 	{
 		string host = s.section(":", 0, 0).toStdString();
-		short port = s.section(":", 1).toInt();
+		ushort port = s.section(":", 1).toInt();
 		m_client->connect(host, port);
 	}
 }

eth/main.cpp

@@ -155,9 +155,9 @@ void version()
 
 int main(int argc, char** argv)
 {
-	short listenPort = 30303;
+	ushort listenPort = 30303;
 	string remoteHost;
-	short remotePort = 30303;
+	ushort remotePort = 30303;
 	bool interactive = false;
 	string dbPath;
 	eth::uint mining = ~(eth::uint)0;

libethereum/Client.cpp

@@ -62,7 +62,7 @@ Client::~Client()
 		this_thread::sleep_for(chrono::milliseconds(10));
 }
 
-void Client::startNetwork(short _listenPort, std::string const& _seedHost, short _port, NodeMode _mode, unsigned _peers, string const& _publicIP, bool _upnp)
+void Client::startNetwork(ushort _listenPort, std::string const& _seedHost, ushort _port, NodeMode _mode, unsigned _peers, string const& _publicIP, bool _upnp)
 {
 	if (m_net)
 		return;
@@ -72,7 +72,7 @@ void Client::startNetwork(short _listenPort, std::string const& _seedHost, short
 		connect(_seedHost, _port);
 }
 
-void Client::connect(std::string const& _seedHost, short _port)
+void Client::connect(std::string const& _seedHost, ushort _port)
 {
 	if (!m_net)
 		return;

libethereum/Client.h

@@ -106,9 +106,9 @@ public:
 	unsigned peerCount() const { return m_net ? m_net->peerCount() : 0; }
 
 	/// Start the network subsystem.
-	void startNetwork(short _listenPort = 30303, std::string const& _seedHost = std::string(), short _port = 30303, NodeMode _mode = NodeMode::Full, unsigned _peers = 5, std::string const& _publicIP = std::string(), bool _upnp = true);
+	void startNetwork(ushort _listenPort = 30303, std::string const& _seedHost = std::string(), ushort _port = 30303, NodeMode _mode = NodeMode::Full, unsigned _peers = 5, std::string const& _publicIP = std::string(), bool _upnp = true);
 	/// Connect to a particular peer.
-	void connect(std::string const& _seedHost, short _port = 30303);
+	void connect(std::string const& _seedHost, ushort _port = 30303);
 	/// Stop the network subsystem.
 	void stopNetwork();
 	/// Get access to the peer server object. This will be null if the network isn't online.