another north arrow symbol

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@50944 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/symbol/symbol/extra/n_arrow4

@@ -0,0 +1,12 @@
+VERSION 1.0
+BOX -1 -1 1 1
+POLYGON
+  RING
+    ARC 0 0 5 90 260
+  END
+END
+POLYGON
+  RING
+    ARC 0 0 5 450 280 C
+  END
+END