Fix: calculating localTranslation after gridChange

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7738 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/terrain/com/jme3/terrain/geomipmap/TerrainGrid.java

@@ -244,7 +244,7 @@ public class TerrainGrid extends TerrainQuad {
         attachQuadAt(q4, 4);
 
         this.currentCell = cam;
-        this.setLocalTranslation(cam.mult(this.getLocalScale().mult(this.quadSize)));
+        this.setLocalTranslation(cam.mult(this.getLocalScale().mult(this.quadSize-1)));
         this.updateModelBound();
 
         if (control != null) {