Fix header guards in DTK_DetailsBox.hpp
Fix header guards in DTK_DetailsBox.hpp

dalg24/DataTransferKit,ORNL-CEES/DataTransferKit,Rombur/DataTransferKit,ORNL-CEES/DataTransferKit,ORNL-CEES/DataTransferKit,dalg24/DataTransferKit,ORNL-CEES/DataTransferKit,Rombur/DataTransferKit,Rombur/DataTransferKit,dalg24/DataTransferKit,dalg24/DataTransferKit,Rombur/DataTransferKit