rank_filter.cxx: Added a newline to the end of the file.
rank_filter.cxx: Added a newline to the end of the file.

jakirkham/rank_filter,DudLab/rank_filter,jakirkham/rank_filter,DudLab/rank_filter,nanshe-org/rank_filter,jakirkham/rank_filter,nanshe-org/rank_filter,DudLab/rank_filter,nanshe-org/rank_filter