vedit: Add Vedit_extend_lines()

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@70561 15284696-431f-4ddb-bdfa-cd5b030d7da7

include/defs/vedit.h

@@ -6,6 +6,9 @@ int Vedit_split_lines(struct Map_info *, struct ilist *,
 		      struct line_pnts *, double, struct ilist *);
 int Vedit_connect_lines(struct Map_info *, struct ilist *, double);
 
+/* extend.c */
+int Vedit_extend_lines(struct Map_info *, struct ilist *, int, int, double);
+
 /* cats.c */
 int Vedit_modify_cats(struct Map_info *, struct ilist *,
 		      int, int, struct cat_list *);