Remove unused includes.

[novacoin.git] / src / ntp.h

diff --git a/src/ntp.h b/src/ntp.h
index 6ec9191..464b3ed 100644 (file)
--- a/src/ntp.h
+++ b/src/ntp.h
@@ -1,8 +1,14 @@
+// Copyright (c) 2013-2016 The NovaCoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or https://opensource.org/licenses/mit-license.php
+#ifndef NOVACOIN_NTP_H
+#define NOVACOIN_NTP_H
+
 // Get time from random server and return server address.
 int64_t NtpGetTime(CNetAddr& ip);
 
 // Get time from provided server.
-int64_t NtpGetTime(std::string &strHostName);
+int64_t NtpGetTime(const std::string &strHostName);
 
 extern std::string strTrustedUpstream;
 
@@ -11,3 +17,5 @@ void ThreadNtpSamples(void* parg);
 
 // NTP offset
 int64_t GetNtpOffset();
+
+#endif // NOVACOIN_NTP_H