Corrected stray bracket.

src/docs/asciidoc/jme3/advanced/sourcecode.adoc

@@ -271,7 +271,7 @@ public class QuixoteControl extends AbstractControl {
             }            
             int no = (int) ((mills.size() - 1) * rnd.nextFloat());            
             myMill = mills.get(no);        
-        }    
+        }
     }
     
     public void runToTheMills(float tpf) {