Fix merging of access sections

If the same access section is specified multiple times when editing the
access rights, they need to be merged on save. The merging was done
incorrectly so that null was added as permission. This caused a
NullPointerException and the save of the access rights failed.

Change-Id: Ia70c2199fa6c07799ebb325e3391818956248e72
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
1 file changed