Fix typo

Change-Id: Ia2b7cd5528a30626e69435354384ebf6fdf9627f
Reviewed-on: https://gerrit.libreoffice.org/63758
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

accessibility/source/extended/accessiblelistboxentry.cxx

@@ -437,7 +437,7 @@ namespace accessibility
         {
             return getListBox()->GetEntryLongDescription( pEntry );
         }
-        //want to cout the real column number in the list box.
+        //want to count the real column number in the list box.
         sal_uInt16 iRealItemCount = 0;
         sal_uInt16 iCount = 0;
         sal_uInt16 iTotleItemCount = pEntry->ItemCount();