add new header

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@51580 15284696-431f-4ddb-bdfa-cd5b030d7da7

vector/v.buffer/local_proto.h

@@ -0,0 +1,25 @@
+
+struct buf_contours
+{
+    int inner_count;
+    int outer;
+    int *inner;
+};
+
+struct buf_contours_pts
+{
+    int inner_count;
+    struct line_pnts *oPoints;
+    struct line_pnts **iPoints;
+};
+
+#ifdef HAVE_GEOS
+int geos_buffer(struct Map_info *, struct Map_info *,
+                struct Map_info *, int, int, double,
+                GEOSBufferParams *,
+		struct spatial_index *,
+		struct line_cats *, struct line_cats *,
+		struct buf_contours **,
+		int *, int *);
+#endif
+