message: replace NULL with nullptr
diff: @@ -405,7 +405,7 @@ bool CSharedCriticalSection::try_lock()
  // critical
  // section from the lockorder map
  #ifdef DEBUG_LOCKORDER
  -CRecursiveSharedCriticalSection::CRecursiveSharedCriticalSection() : name(NULL), exclusiveOwner(0) {}
  +CRecursiveSharedCriticalSection::CRecursiveSharedCriticalSection() : name(nullptr), exclusiveOwner(0) {}
  CRecursiveSharedCriticalSection::CRecursiveSharedCriticalSection(const char *n) : name(n), exclusiveOwner(0)
  {
  // print the address of named critical sections so they can be found in the mutrace output
  