Merge pull request #1299 from mboersma/update-pyldap

chore(requirements): update pyldap to v2.4.35

Author: mboersma

rootfs/requirements.txt

@@ -16,7 +16,7 @@ ndg-httpsclient==0.4.2
 packaging==16.8
 pyasn1==0.2.3
 psycopg2==2.7.1
-pyldap==2.4.28
+pyldap==2.4.35
 pyOpenSSL==17.0.0
 pytz==2017.2
 requests==2.14.2