make val a string if we assign a symbol to a string field
make val a string if we assign a symbol to a string field

localshred/protobuf,ruby-protobuf/protobuf,film42/protobuf,quixoten/protobuf,lookout/protobuffy,localshred/protobuf,ruby-protobuf/protobuf,brianstien/protobuf,brianstien/protobuf,zanker/protobuf,film42/protobuf,zanker/protobuf,lookout/protobuffy,quixoten/protobuf