Bug Description:
	47553 fix checks the write right access only if the RDN is
	modified. This allows to rename entries even if the
	authenticated user is not allowed of that.

Fix Description:
	Roll back a wrong optimization that tested the write access
	only if RDN value was changed.

https://fedorahosted.org/389/ticket/47553

Reviewed by: ?

Platforms tested: F17 (upstream test)

Flag Day: no

Doc impact: no

(cherry picked from commit 44e5c0998bdf7dcb167e8472713ff393b776e4e3)

Conflicts:
	dirsrvtests/tickets/ticket47553_single_aci_test.py