Fix typo in flag name for Bazel (#1795)
Fix typo in flag name for Bazel (#1795)


Co-authored-by: Johan Brandhorst-Satzkorn <8c98250619a5229afaab52d25e022b9e3e1d22a2@gmail.com>
grpc-ecosystem/grpc-gateway,gengo/grpc-gateway,gengo/grpc-gateway