Fix: I left a useless parameter in test

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7837 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/test/jme3test/terrain/TerrainFractalGridTest.java

@@ -135,7 +135,7 @@ public class TerrainFractalGridTest extends SimpleApplication {
 
         ground.addPreFilter(this.iterate);
 
-        this.terrain = new TerrainGrid("terrain", 65, 257, new FractalHeightMapGrid(ground, "D:\\work5\\temp", 256f));
+        this.terrain = new TerrainGrid("terrain", 65, 257, new FractalHeightMapGrid(ground, null, 256f));
 
         this.terrain.setMaterial(this.mat_terrain);
         this.terrain.setLocalTranslation(0, 0, 0);