Ensure all files end with a new line

Update all files to ensure that they always end with a new-line
character.

Issue gh-8945

cas/src/main/java/org/springframework/security/cas/web/authentication/DefaultServiceAuthenticationDetails.java

@@ -142,4 +142,4 @@ final class DefaultServiceAuthenticationDetails extends WebAuthenticationDetails
 		return port;
 	}
 
-}
+}

cas/src/main/java/org/springframework/security/cas/web/authentication/ServiceAuthenticationDetails.java

@@ -38,4 +38,4 @@ public interface ServiceAuthenticationDetails extends Serializable {
 	 */
 	String getServiceUrl();
 
-}
+}

cas/src/main/java/org/springframework/security/cas/web/authentication/ServiceAuthenticationDetailsSource.java

@@ -79,4 +79,4 @@ public class ServiceAuthenticationDetailsSource
 		}
 	}
 
-}
+}