Use the proper way to deal with std::unique_ptrs.
Use the proper way to deal with std::unique_ptrs.

sairajat/dealii,sairajat/dealii,kalj/dealii,kalj/dealii,sairajat/dealii,danshapero/dealii,kalj/dealii,sairajat/dealii,danshapero/dealii,danshapero/dealii,kalj/dealii,naliboff/dealii,naliboff/dealii,sairajat/dealii,danshapero/dealii,danshapero/dealii,danshapero/dealii,naliboff/dealii,kalj/dealii,kalj/dealii,sairajat/dealii,kalj/dealii,naliboff/dealii,sairajat/dealii,naliboff/dealii,danshapero/dealii,naliboff/dealii,naliboff/dealii