Revert the following commit until libtorrent 1.1.2 is released:

From 729c80f9104a3d01ec724351bd6910b4b8d14c6c Mon Sep 17 00:00:00 2001

From: sledgehammer999 <hammered999@gmail.com>

Date: Mon, 31 Oct 2016 02:31:56 +0200

Subject: [PATCH] Use new libtorrent 1.1.2+ utility function to generate client

 ID instead.

--- src/base/bittorrent/session.cpp.orig	2016-12-17 18:02:06 UTC

+++ src/base/bittorrent/session.cpp

@@ -45,6 +45,7 @@

 #include <QTimer>

 #include <cstdlib>

+#include <sstream>

 #include <queue>

 #include <vector>

@@ -194,6 +195,36 @@ namespace

     template <typename T>

     LowerLimited<T> lowerLimited(T limit, T ret) { return LowerLimited<T>(limit, ret); }

+

+#if LIBTORRENT_VERSION_NUM >= 10100

+    std::string makeFingerprint(const char* peerId, int major, int minor, int revision, int tag)

+    {

+        Q_ASSERT(peerId);

+        Q_ASSERT(major >= 0);

+        Q_ASSERT(minor >= 0);

+        Q_ASSERT(revision >= 0);

+        Q_ASSERT(tag >= 0);

+        Q_ASSERT(std::strlen(peerId) == 2);

+

+        auto versionToChar = [](int v) -> char

+        {

+            if (v >= 0 && v < 10) return static_cast<char>('0' + v);

+            if (v >= 10) return static_cast<char>('A' + (v - 10));

+            Q_ASSERT(false);

+            return '0';

+        };

+

+        std::ostringstream buf;

+        buf << '-'

+            << peerId

+            << versionToChar(major)

+            << versionToChar(minor)

+            << versionToChar(revision)

+            << versionToChar(tag)

+            << '-';

+        return buf.str();

+    }

+#endif

 }

 // Session

@@ -334,7 +365,7 @@ Session::Session(QObject *parent)

         dispatchAlerts(alertPtr.release());

     });

 #else

-    std::string peerId = libt::generate_fingerprint(PEER_ID, VERSION_MAJOR, VERSION_MINOR, VERSION_BUGFIX, VERSION_BUILD);

+    std::string peerId = makeFingerprint(PEER_ID, VERSION_MAJOR, VERSION_MINOR, VERSION_BUGFIX, VERSION_BUILD);

     libt::settings_pack pack;

     pack.set_int(libt::settings_pack::alert_mask, alertMask);

     pack.set_str(libt::settings_pack::peer_fingerprint, peerId);