Bug 11398: A typo occurred with occured

Bug 11398: A typo occurred with occured

This patch cures occured and makes occurred occur.
Note that I found them while testing bug 11170.
In a follow-up of 11170, I corrected this typo in parcels.tt.
This patch touches update22to30.pl and modborrowers.tt

Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Fixes a typo in 2 files.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit 9921228f2a12de47d8e1fc85e936562c20a7abe4)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>