added comment to break_lines

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@36495 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/vector/Vlib/break_lines.c

@@ -101,6 +101,7 @@ Vect_break_lines_list(struct Map_info *Map, struct ilist *List_break,
 
     /* TODO: It seems that lines/boundaries are not broken at intersections
      * with points/centroids. Check if true, if yes, skip GV_POINTS
+     */
 
     /* To find intersection of two lines (Vect_line_intersection) is quite slow.
      * Fortunately usual lines/boundaries in GIS often forms a network where lines