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

core/src/test/java/org/springframework/security/access/annotation/sec2150/CrudRepository.java

@@ -19,4 +19,4 @@ public interface CrudRepository {
 
 	Iterable<Object> findAll();
 
-}
+}

core/src/test/java/org/springframework/security/access/annotation/sec2150/PersonRepository.java

@@ -29,4 +29,4 @@ import org.springframework.security.access.prepost.PreAuthorize;
 @PreAuthorize("hasRole('ROLE_PERSON')")
 public interface PersonRepository extends CrudRepository {
 
-}
+}

core/src/test/java/org/springframework/security/concurrent/CurrentDelegatingSecurityContextExecutorServiceTests.java

@@ -40,4 +40,4 @@ public class CurrentDelegatingSecurityContextExecutorServiceTests
 		return new DelegatingSecurityContextExecutorService(this.delegate);
 	}
 
-}
+}

core/src/test/java/org/springframework/security/concurrent/ExplicitDelegatingSecurityContextExecutorServiceTests.java

@@ -40,4 +40,4 @@ public class ExplicitDelegatingSecurityContextExecutorServiceTests
 		return new DelegatingSecurityContextExecutorService(this.delegate, this.securityContext);
 	}
 
-}
+}

core/src/test/java/org/springframework/security/concurrent/ExplicitDelegatingSecurityContextScheduledExecutorServiceTests.java

@@ -40,4 +40,4 @@ public class ExplicitDelegatingSecurityContextScheduledExecutorServiceTests
 		return new DelegatingSecurityContextScheduledExecutorService(this.delegate, this.securityContext);
 	}
 
-}
+}