Fixed a bug that would always set the block size of DPD to 64 threads
Fixed a bug that would always set the block size of DPD to 64 threads

git-svn-id: 4ba210d0a933e3fb1aa9ab096f190cd38965d92a@3997 fa922fa7-2fde-0310-acd8-f43f465a7996

joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue