Fixes index out of range panic when empty.
Fixes index out of range panic when empty.
improbable-io/grpc-gateway,ilius/grpc-gateway,gengo/grpc-gateway,gengo/grpc-gateway,improbable-io/grpc-gateway,ilius/grpc-gateway,grpc-ecosystem/grpc-gateway,tmc/grpc-gateway,Lantame/grpc-gateway,tmc/grpc-gateway,Lantame/grpc-gateway,ilius/grpc-gateway