message: Add <atomic> to the list of includes in globals.cpp
diff: #include "validationinterface.h"
  #include "version.h"
  +#include <atomic>
  #include <boost/foreach.hpp>
  #include <boost/lexical_cast.hpp>
  #include <boost/thread.hpp>
  @@ -53,7 +54,7 @@ boost::thread_specific_ptr<LockStack> lockstack;
  #endif
  -atomic<bool> fIsInitialBlockDownload{false};
  +std::atomic<bool> fIsInitialBlockDownload{false};
  // main.cpp CriticalSections:
  CCriticalSection cs_LastBlockFile;
  