[krbdev.mit.edu #7296] issues in handling special characters in KDC ldap plugin code

[Greg Hudson via RT]

If this is pulled up to 1.11 (which is reasonable), either 
c3064fcc2ca98d563e4a10dfc4143c74f308a551 needs to be pulled up as well, 
or the kdbtest.c and t_kdb.py changes need to be omitted.