cmake/modules/FindVIGRA.cmake: Added to find VIGRA. Borrowed directly from blockedarray ( https://github.com/thorbenk/blockedarray/blob/9440706f5e2cc0052322ad3ec87c78db2b8e29a5/cmake/modules/FindVIGRA.cmake ).
cmake/modules/FindVIGRA.cmake: Added to find VIGRA. Borrowed directly from blockedarray ( https://github.com/thorbenk/blockedarray/blob/9440706f5e2cc0052322ad3ec87c78db2b8e29a5/cmake/modules/FindVIGRA.cmake ).

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