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

config/src/test/java/org/springframework/security/config/annotation/issue50/repo/UserRepository.java

@@ -28,4 +28,4 @@ public interface UserRepository extends CrudRepository<User, String> {
 	@PreAuthorize("hasRole('ROLE_ADMIN')")
 	User findByUsername(String username);
 
-}
+}

config/src/test/java/org/springframework/security/config/annotation/web/configuration/WebMvcSecurityConfigurationTests.java

@@ -134,4 +134,4 @@ public class WebMvcSecurityConfigurationTests {
 
 	}
 
-}
+}

config/src/test/java/org/springframework/security/config/http/WebConfigUtilsTests.java

@@ -42,4 +42,4 @@ public class WebConfigUtilsTests {
 		verifyZeroInteractions(this.parserContext);
 	}
 
-}
+}

config/src/test/java/org/springframework/security/config/method/PreAuthorizeServiceImpl.java

@@ -29,4 +29,4 @@ public class PreAuthorizeServiceImpl {
 	public void contactPermission(Contact contact) {
 	}
 
-}
+}

config/src/test/java/org/springframework/security/config/method/PreAuthorizeTests.java

@@ -70,4 +70,4 @@ public class PreAuthorizeTests {
 		this.service.contactPermission(new Contact("admin"));
 	}
 
-}
+}

config/src/test/java/org/springframework/security/config/method/SecuredAdminRole.java

@@ -28,4 +28,4 @@ import org.springframework.security.access.annotation.Secured;
 @Secured("ROLE_ADMIN")
 public @interface SecuredAdminRole {
 
-}
+}

config/src/test/java/org/springframework/security/config/method/SecuredTests.java

@@ -56,4 +56,4 @@ public class SecuredTests {
 		this.service.securedAdminRole();
 	}
 
-}
+}

config/src/test/java/org/springframework/security/config/method/sec2499/Sec2499Tests.java

@@ -49,4 +49,4 @@ public class Sec2499Tests {
 		this.child.refresh();
 	}
 
-}
+}