Force usage of docker-proto
Force usage of docker-proto

This will enable all the generated code to always be the same
since it was generated with the same tools

Signed-off-by: Luis Pabón <faea5242a00c52da62a0f00df168c199b7ab748d@portworx.com>

libopenstorage/openstorage,libopenstorage/openstorage,libopenstorage/openstorage,pault84/openstorage,pault84/openstorage,pault84/openstorage