Remove potential infinite loop (related to JENKINS-5922) + formating of previous patch

remoting/src/main/java/hudson/remoting/Which.java

@@ -114,14 +114,14 @@ public class Which {
             try {
                 Object delegate = is;
                 while (delegate.getClass().getEnclosingClass()!=ZipFile.class) {
-                    Field f = is.getClass().getDeclaredField("delegate");
+                    Field f = delegate.getClass().getDeclaredField("delegate");
                     f.setAccessible(true);
-                    delegate = f.get(is);
-		    //JENKINS-5922 - workaround for CertificateReaderInputStream; JBoss 5.0.0, EAP 5.0 and EAP 5.1
+                    delegate = f.get(delegate);
+                    //JENKINS-5922 - workaround for CertificateReaderInputStream; JBoss 5.0.0, EAP 5.0 and EAP 5.1
                     if(delegate.getClass().getName().equals("java.util.jar.JarVerifier$VerifierStream")){
-			f = delegate.getClass().getDeclaredField("is");
-			f.setAccessible(true);
-			delegate = f.get(delegate);
+                        f = delegate.getClass().getDeclaredField("is");
+                        f.setAccessible(true);
+                        delegate = f.get(delegate);
                     }
                 }
                 Field f = delegate.getClass().getDeclaredField("this$0");