ntdll/tests: Add a trailing '\n' to an ok() call.

dlls/ntdll/tests/file.c

@@ -1386,7 +1386,7 @@ static void test_file_disposition_information(void)
     GetTempFileNameA( ".", "dis", 0, buffer );
     handle = CreateFileA(buffer, GENERIC_WRITE | DELETE, 0, NULL, CREATE_ALWAYS, FILE_FLAG_DELETE_ON_CLOSE, 0);
     ok( handle != INVALID_HANDLE_VALUE, "failed to create temp file\n" );
-    ok( DuplicateHandle( GetCurrentProcess(), handle, GetCurrentProcess(), &handle2, 0, FALSE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed" );
+    ok( DuplicateHandle( GetCurrentProcess(), handle, GetCurrentProcess(), &handle2, 0, FALSE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed\n" );
     CloseHandle( handle );
     fdi.DoDeleteFile = FALSE;
     res = pNtSetInformationFile( handle2, &io, &fdi, sizeof fdi, FileDispositionInformation );