Updated openstack/openstack
Project: openstack/keystone  e77b69b9af2d713d72cde6fa91af58b79ce1cbdb
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Return an error when a non-existing tenant is added to a user

Currently, if a user is created without a tenantId, adding a
non-existing tenantId to that user succeeds.  This change
checks for whether the tenant exists in cases where the check
was previously skipped.

Closes-Bug: #1246473

Change-Id: I2a814c5df902a97297ad05950ae4205664ddf6e6