Ticket #47423 - 7-bit check plugin does not work for userpassword attribute
Bug description: 7-bit check plugin fails to validate userpassword
attribute
Fix description: This patch corrects the validation code for userpassword
attribute. It fetches the unhashed userpassword from the extension
instead of the entry attribute value
https://fedorahosted.org/389/ticket/47423
Reviewed by nhosoi.
(cherry picked from commit d804aaf7ee15841ac1aeaf831879fe56da23931d)
(cherry picked from commit f5ee5b8babfb7b61db7da3db7ab7c443eda58323)