message: sdk: Tell linker that symbols from "temp_sensor.h" are from C
diff: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  #include "i2c_temperature_sensor.h"
  +extern "C" {
  #include "temp_sensor.h"
  +}
  #include <errno.h>
  #include <fcntl.h>
  