Fix typo

Change-Id: Ib380d6cbb1d858877cb14263cdc6beff6f0b97af
Reviewed-on: https://gerrit.libreoffice.org/65068
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

chart2/source/view/main/PolarLabelPositionHelper.cxx

@@ -84,7 +84,7 @@ awt::Point PolarLabelPositionHelper::getLabelScreenPositionAndAlignmentForUnitCi
     if(m_nDimensionCount==3 && nLabelPlacement == css::chart::DataLabelPlacement::OUTSIDE)
     {
         //check whether the upper or the downer edge is more distant from the center
-        //take the farest point to put the label to
+        //take the farthest point to put the label to
 
         awt::Point aP0( transformSceneToScreenPosition(
             m_pPosHelper->transformUnitCircleToScene( 0, 0, fLogicZ ) ) );