message: fixes a typo in benchmark
diff: @@ -107,7 +107,7 @@ int main(int argc, char* argv[])
  "Specific matrix/vector size testing: SPARSE-1: the length of the "
  "dense vector. SPARSE-2 & SPARSE-3: the number of columns")
  - ("sizen,k",
  + ("sizek,k",
  po::value<rocsparse_int>(&arg.K)->default_value(128),
  "Specific matrix/vector size testing: SPARSE-3: the number of columns")
  