add ~riscv keyword
Looks good on riscv USE tests started on Tue Sep 27 11:18:26 -00 2022 FEATURES=' test' USE='' succeeded for =net-fs/minio-2021.04.18.19.26.29-r2 USE='' succeeded for =net-fs/minio-2021.04.18.19.26.29-r2
Created attachment 814375 [details] Upload file test pass