Made block comment indent @auto so that new lines line up nicely with existing comment block

Previous indentation:
    /**
    *
    */

    New indentation:
    /**
     *
     */

tests/indent/java/javadoc.java

@@ -1,5 +1,5 @@
 public class Foo {
   /**
-  */
+   */
   void foo() {}
 }