Core/Logging: Partial cherry-pick from commit c6ab951025b0be3b0f6

* solves differences 3.3.5 <-> 6.x because of make_unique workarround.

(cherry picked from commit c6ab951025b0be3b0f64dc8bb0703d4aa8bdb003)

Signed-off-by: Naios <naios-dev@live.de>

src/server/shared/Common.h

@@ -38,6 +38,7 @@
 #include <queue>
 #include <sstream>
 #include <algorithm>
+#include <memory>
 
 #include "Debugging/Errors.h"
 
@@ -144,4 +145,14 @@ typedef std::vector<std::string> StringVector;
 
 #define MAX_QUERY_LEN 32*1024
 
+namespace Trinity
+{
+    //! std::make_unique implementation (TODO: remove this once C++14 is supported)
+    template<typename T, typename ...Args>
+    std::unique_ptr<T> make_unique(Args&& ...args)
+    {
+        return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
+    }
+}
+
 #endif

src/server/shared/Logging/Log.h

@@ -23,6 +23,7 @@
 #include "Appender.h"
 #include "Logger.h"
 #include "StringFormat.h"
+#include "Common.h"
 #include <boost/asio/io_service.hpp>
 #include <boost/asio/strand.hpp>
 
@@ -64,7 +65,7 @@ class Log
         template<typename... Args>
         inline void outMessage(std::string const& filter, LogLevel const level, const char* fmt, Args const&... args)
         {
-            write(std::unique_ptr<LogMessage>(new LogMessage(level, filter, Trinity::StringFormat(fmt, args...))));
+            write(Trinity::make_unique<LogMessage>(level, filter, Trinity::StringFormat(fmt, args...)));
         }
 
         template<typename... Args>
@@ -73,7 +74,7 @@ class Log
             if (!ShouldLog("commands.gm", LOG_LEVEL_INFO))
                 return;
 
-            std::unique_ptr<LogMessage> msg(new LogMessage(LOG_LEVEL_INFO, "commands.gm", std::move(Trinity::StringFormat(fmt, args...))));
+            std::unique_ptr<LogMessage> msg = Trinity::make_unique<LogMessage>(LOG_LEVEL_INFO, "commands.gm", std::move(Trinity::StringFormat(fmt, args...)));
 
             msg->param1 = std::to_string(account);