Bug 30971: (follow-up) Fix one more occurence

Bug 30971: (follow-up) Fix one more occurence

To test:
1. Run:
   $ git grep 'recall.itemnumber'
=> SUCCESS: No more occurences
2. Run:
   $ git grep 'recall.biblionumber'
=> SUCCESS: No more occurences
3. Run:
   $ git grep 'recall\->biblionumber'
=> SUCCESS: No more occurences
4. Run:
   $ git grep 'recall\->itemnumber'
=> FAIL: One standing occurence
5. Apply this patch
6. Repeat 4
=> SUCCESS: No more occurences
7. Sign off :-D

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>