coverity#705150 Missing break in switch

Change-Id: I5df9dff9ef6940b15c899d13f1a358e47dbd8b2b

editeng/source/items/frmitems.cxx

@@ -1882,6 +1882,7 @@ bool SvxBoxItem::PutValue( const uno::Any& rVal, sal_uInt8 nMemberId )
             break;
         case RIGHT_BORDER_DISTANCE:
             bDistMember = true;
+            //fall-through
         case RIGHT_BORDER:
         case MID_RIGHT_BORDER:
             nLine = BOX_LINE_RIGHT;