message: fix test/oatpp/AllTestsMain.cpp
diff: #include "oatpp/core/Types.hpp"
  #include <iostream>
  +#include <mutex>
  #ifdef OATPP_ENABLE_ALL_TESTS_MAIN
  namespace {
  class Logger : public oatpp::base::Logger {
  private:
  - oatpp::concurrency::SpinLock::Atom m_atom;
  + oatpp::concurrency::SpinLock m_lock;
  public:
  - Logger()
  - : m_atom(false)
  - {}
  -
  void log(v_int32 priority, const std::string& tag, const std::string& message) override {
  - oatpp::concurrency::SpinLock lock(m_atom);
  + std::lock_guard<oatpp::concurrency::SpinLock> lock(m_lock);
  std::cout << tag << ":" << message << "\n";
  }
  