Bug 37210: Escape single quote in search string in overdue.pl

Bug 37210: Escape single quote in search string in overdue.pl

To Test:
1. Go to /cgi-bin/koha/circ/overdue.pl
2. In the «Name or card number» field, type «Tommy'and(select(0)from(select(sleep(10)))v)and'»
3. Apply the filter
   ==> It takes 10 seconds, sleep(10) is executed
4. Inspect the page, in «Patron category:» field, put «Tommy'and(select(0)from(select(sleep(10)))v)and'» in one of his option's value
5. select the option from the filter and Apply the filter
   ==> It takes 10 seconds, sleep(10) is executed
we can inject SQL to the followin field : borname, itemtype, borcat, holdingbranch, homebranch and branch
6. Apply the patch
7. Repeat step 1,2,3
   ==> it doesn't take 10 seconds, the injected sql is not executed
8. Repeat step 5
==> it doesn't take 10 seconds, the injected sql is not executed
9. Repeat step 5 with the followin field : itemtype, holdingbranch, homebranch and branch
   ==> it doesn't take 10 seconds, the injected sql is not executed

Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>