CMakeLists.txt: Add C++11 support when compiling.
CMakeLists.txt: Add C++11 support when compiling.

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