Add whitespace after copyright header

Add an additional lines after the copyright header and before the
`package` declaration. This aligns with the style used by Spring
Framework.

Issue gh-8945

openid/src/main/java/org/springframework/security/openid/AuthenticationCancelledException.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import org.springframework.security.core.AuthenticationException;

openid/src/main/java/org/springframework/security/openid/AxFetchListFactory.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import java.util.List;

openid/src/main/java/org/springframework/security/openid/NullAxFetchListFactory.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import java.util.Collections;

openid/src/main/java/org/springframework/security/openid/OpenID4JavaConsumer.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import java.util.ArrayList;

openid/src/main/java/org/springframework/security/openid/OpenIDAttribute.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import java.io.Serializable;

openid/src/main/java/org/springframework/security/openid/OpenIDAuthenticationProvider.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import org.springframework.beans.factory.InitializingBean;

openid/src/main/java/org/springframework/security/openid/OpenIDAuthenticationStatus.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 /**

openid/src/main/java/org/springframework/security/openid/OpenIDAuthenticationToken.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import java.util.ArrayList;

openid/src/main/java/org/springframework/security/openid/OpenIDConsumer.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import javax.servlet.http.HttpServletRequest;

openid/src/main/java/org/springframework/security/openid/OpenIDConsumerException.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 /**

openid/src/main/java/org/springframework/security/openid/RegexBasedAxFetchListFactory.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import java.util.Collections;

openid/src/main/java/org/springframework/security/openid/package-info.java

@@ -13,4 +13,5 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;

openid/src/test/java/org/springframework/security/openid/MockOpenIDConsumer.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import javax.servlet.http.HttpServletRequest;

openid/src/test/java/org/springframework/security/openid/OpenID4JavaConsumerTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import java.util.Arrays;

openid/src/test/java/org/springframework/security/openid/OpenIDAuthenticationFilterTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.openid;
 
 import java.net.URI;