Typo in a documentation comment

Dependencies

• [2] 7FRJYUI6 Reboot because of a bad change

Change contents

• replacement in thrussh/src/lib.rs at line 345
  [2.291382]→[2.291382:291425](∅→∅)
  − /// anyhow::Error during key exchange.
  [2.291382]

  [2.291425]
  + /// Error during key exchange.