const encoding/binary.MaxVarintLen32

3 uses

	encoding/binary (current package)
		varint.go#L35: 	MaxVarintLen32 = 5

	github.com/matttproud/golang_protobuf_extensions/pbutil
		decode.go#L41: 	var headerBuf [binary.MaxVarintLen32]byte
		encode.go#L36: 	var buf [binary.MaxVarintLen32]byte