Update external/gptfdisk to 1.0.1
am: 74b7490a22

* commit '74b7490a22bb9ad5f521a62b9c9100e70b94da9b':
  Update external/gptfdisk to 1.0.1

Change-Id: I2f573b50c62af5773d76ca0bd426ac624e8d62a7