end caps on extrudes working!

git-svn-id: svn://anubis/fart/trunk@279 7f9b0f55-74a9-4bce-be96-3c2cd072584d

scenes/extrudes.fart

@@ -37,7 +37,7 @@ scene
             <-3, -3>
             <-1, -2>
             <1, -4>
-            <2, -1>
+            <1, -1>
         }
         offset 3
         material { color <1, 0.7, 0> }