I accidently put the wrong "case xxx" in the description of one

issue. In 12621 I wrote "case 12442" instead of "case 12449".

Now after I corrected this, in case 12621 is a link to both,
case 12442 and 12449. I don'tnow how to remove this link.
(And in case 12442 is a link to case 12621)

Nicolai