message: Use C.CBytes
diff: @@ -133,8 +133,7 @@ func (g *Graph) ImportWithOptions(def []byte, options GraphImportOptions) error
  return fmt.Errorf("unable to allocate memory")
  }
  defer C.free(buf.data)
  - pbuf := (*[1 << 30]byte)(buf.data)
  - copy(pbuf[:], def)
  + C.memcpy(buf.data, C.CBytes(def), buf.length)
  status := newStatus()
  