Marcos CARDINOT 70b4c9f2d3 RulerItem2::settingsChanged() - NULL pointer dereference
The current code is dereferencing the null pointer 'profWidget'.
It can cause a segmentation fault.

Signed-off-by: Marcos Cardinot <mcardinot@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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