Anonymous class indentation is wrongly reported as incorrect in some cases

When trying to check the code, formatted according to the provided configuration, I see some strange behaviour of `checkstyle`.

The example `config.xml`:

``` xml

```

For the sample `CheckstyleProblem.java`:

``` java
package example;

/**
* Inner class formatting identified by checkstyle wrongly.
*/
public class CheckstyleProblem {

public interface Watcher {
public void process(CheckstyleProblem problem);
}

public CheckstyleProblem(String name, int intArgument, Watcher watcher) {
// bla bla
}

/**
* This is an example call that shows how inner class instance.
*
* @return checkstyle problem
*/
public CheckstyleProblem init() {
// some example code that gets a Watcher

CheckstyleProblem result;
result =
new CheckstyleProblem(
"problematic code formatting?",
3334,
//
// here checkstyle considers the indentation is wrong
//
new Watcher() {
@Override
public void process(CheckstyleProblem problem) {}
});

return new CheckstyleProblem(
"code formatting is ok from the point of view of checkstyle",
3334,
//
// here no warning from checkstyle
//
new Watcher() {
@Override
public void process(CheckstyleProblem problem) {}
});
}
}
```

running `checkstyle` on the example file shows warning that should not be there:

```
$ java -jar checkstyle-6.14.1-all.jar -c config.xml CheckstyleProblem.java
Starting audit...
[WARN] CheckstyleProblem.java:33: 'method def modifier' have incorrect indentation level 14, expected level should be one of the following: 8, 10, 12. [Indentation]
[WARN] CheckstyleProblem.java:35: 'object def rcurly' have incorrect indentation level 12, expected level should be one of the following: 6, 8. [Indentation]
Audit done.
```
##