Set hashtype = 2 when converting from MD5
Otherwise we'd end up with an attempt to authenticate with SHA1 against BCRYPT that never succeeds, see https://board.s9y.org/viewtopic.php?t=24720
Otherwise we'd end up with an attempt to authenticate with SHA1 against BCRYPT that never succeeds, see https://board.s9y.org/viewtopic.php?t=24720