[PATCH] Fix crash when using kdiroperator

[Andre Magalhaes]

The attached patch fix a bug that was causing a crash when using kdiroperator.

Ok to commit?

Btw, what is the commit policy, a commit like this that only fixes a
crash and don't
break any code could be committed directly?

BR

-- 
Andre Moreira Magalhaes (andrunko)
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