temporary removed sqlite_sink from the project (not compiling well under gcc)

include/spdlog/sinks/sqlite_sink.h

-//
-// Copyright(c) 2015 spdlog.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-//
-#pragma once
-#include <spdlog/sinks/sink.h>
-#include <spdlog/details/log_msg.h>
-#include <spdlog/common.h>
-
-#include <sqlite3.h>
-
-namespace spdlog
-{
-	namespace sinks
-	{
-		class sqlite_sink: public sink
-		{
-		public:
-
-			explicit sqlite_sink(const std::string& databaseName)
-			{
-				if (sqlite3_open(databaseName.c_str(), &_database))
-					throw spdlog_ex("Error opening database");
-
-				if (sqlite3_prepare_v2(_database, "INSERT INTO Logs (TimeStamp,Level,Message,LoggerName,ThreadId) VALUES (?,?,?,?,?)", -1, &_query_stmt, nullptr) != SQLITE_OK)
-					throw spdlog_ex(sqlite3_errmsg(_database));
-			}
-
-			~sqlite_sink()
-			{
-				sqlite3_finalize(_query_stmt);				
-				sqlite3_close(_database);				
-			}
-
-			void flush() override
-			{				
-			}
-
-			void bind_to_statement(const details::log_msg& msg) const
-			{
-				auto time = std::chrono::system_clock::to_time_t(msg.time);
-
-				char time_str[26];
-
-				ctime_s(time_str, sizeof(time_str), &time);
-
-				if (sqlite3_bind_text(_query_stmt, 1, time_str, -1, SQLITE_STATIC) != SQLITE_OK ||
-					sqlite3_bind_text(_query_stmt, 2, to_str(msg.level), -1, SQLITE_STATIC) != SQLITE_OK ||
-					sqlite3_bind_text(_query_stmt, 3, msg.raw.c_str(), -1, SQLITE_STATIC) != SQLITE_OK ||
-					sqlite3_bind_text(_query_stmt, 4, msg.logger_name.c_str(), -1, SQLITE_STATIC) != SQLITE_OK ||
-					sqlite3_bind_int(_query_stmt, 5, msg.thread_id) != SQLITE_OK)
-					throw spdlog_ex(sqlite3_errmsg(_database));
-			}
-
-			void log(const details::log_msg& msg) override
-			{
-				bind_to_statement(msg);
-
-				if (sqlite3_step(_query_stmt) != SQLITE_DONE) {
-					throw spdlog_ex(sqlite3_errmsg(_database));
-				}
-
-				sqlite3_reset(_query_stmt);
-				sqlite3_clear_bindings(_query_stmt);
-			}
-
-		private:
-			sqlite3 *_database;
-			sqlite3_stmt * _query_stmt;
-		};
-	}
-}