Bug#919500: golang-github-grpc-ecosystem-grpc-gateway: build dependency on golang-google-genproto-dev must be bumped to (>= 0.0~git20190111.db91494)

[Adrian Bunk]

Source: golang-github-grpc-ecosystem-grpc-gateway
Version: 1.6.4-1
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/package.php?p=golang-github-grpc-ecosystem-grpc-gateway

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# github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/descriptor
src/github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/descriptor/services.go:146:49:
 opts.ResponseBody undefined (type *annotations.HttpRule has no field or method 
ResponseBody)
...