message: Fixed bug in slam SubMap::operator=
diff: @@ -135,7 +135,7 @@ public:
  {
  StridePolicy::operator=(otherMap);
  m_superMap_constptr = otherMap.m_superMap_constptr;
  - m_superMap_ptr = m_superMap_ptr,
  + m_superMap_ptr = otherMap.m_superMap_ptr;
  m_subsetIdx_data = otherMap.m_subsetIdx_data;
  m_subsetIdx = SubsetType::SetBuilder()
  .size(m_subsetIdx_data.size())
  