[SSSD] [sssd PR#353][comment] libwbclient: Change return code for wbcAuthenticateUserEx

[lslebodn]

  URL: https://github.com/SSSD/sssd/pull/353
Title: #353: libwbclient: Change return code for wbcAuthenticateUserEx

lslebodn commented:
"""
@sumit-bose this PR + #351 together improves situation with sssd-libwbclient and
samba-4.6
"""

See the full comment at https://github.com/SSSD/sssd/pull/353#issuecomment-323998255