Remove trailing whitespace from source code

spring-core/src/test/java/org/springframework/core/annotation/subpackage/NonPublicAnnotatedClass.java

@@ -18,7 +18,7 @@ package org.springframework.core.annotation.subpackage;
 
 /**
  * Class annotated with a non-public (i.e., package private) custom annotation.
- * 
+ *
  * @author Sam Brannen
  * @since 4.0
  */

spring-core/src/test/java/org/springframework/core/annotation/subpackage/NonPublicAnnotation.java

@@ -21,7 +21,7 @@ import java.lang.annotation.RetentionPolicy;
 
 /**
  * Non-public (i.e., package private) custom annotation.
- * 
+ *
  * @author Sam Brannen
  * @since 4.0
  */

spring-core/src/test/java/org/springframework/core/type/CachingMetadataReaderLeakTests.java

@@ -34,7 +34,7 @@ import static org.junit.Assert.*;
  * Unit tests for checking the behaviour of {@link CachingMetadataReaderFactory} under
  * load. If the cache is not controlled, this test should fail with an out of memory
  * exception around entry 5k.
- * 
+ *
  * @author Costin Leau
  * @author Sam Brannen
  */