Removing boost chrono dependency

Author: gizmocuz

CMakeLists.txt

@@ -563,7 +563,7 @@ set(Boost_USE_STATIC_LIBS ${USE_STATIC_BOOST})
 set(Boost_USE_MULTITHREADED ON)
 unset(Boost_INCLUDE_DIR CACHE)
 unset(Boost_LIBRARY_DIRS CACHE)
-find_package(Boost REQUIRED COMPONENTS thread chrono system)
+find_package(Boost REQUIRED COMPONENTS thread system)
 
 if(USE_STATIC_BOOST)
    message(STATUS "Linking against boost static libraries")

main/Helper.cpp

@@ -14,6 +14,8 @@
 #include "../main/localtime_r.h"
 #include <sstream>
 #include <openssl/md5.h>
+#include <chrono>
+#include <thread>
 
 #if defined WIN32
 #include "../msbuild/WindowsHelper.h"
@@ -435,12 +437,12 @@ bool isInt(const std::string &s)
 
 void sleep_seconds(const long seconds)
 {
-	boost::this_thread::sleep_for(boost::chrono::seconds(seconds));
+	std::this_thread::sleep_for(std::chrono::seconds(seconds));
 }
 
 void sleep_milliseconds(const long milliseconds)
 {
-	boost::this_thread::sleep_for(boost::chrono::milliseconds(milliseconds));
+	std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
 }
 
 int createdir(const char *szDirName, int secattr)