[SSSD] [sssd PR#646][comment] proxy: access provider directly not through be_ctx

[pbrezina]

URL: https://github.com/SSSD/sssd/pull/646
Title: #646: proxy: access provider directly not through be_ctx

pbrezina commented:
"""
I can not reproduce this issue. Do you have any reproducer or machine where I can debug it?
"""

See the full comment at https://github.com/SSSD/sssd/pull/646#issuecomment-419392530