[LTP] [PATCH] gettid:Convert gettid01 to new API

[Xie Ziyao]

>> --- a/testcases/kernel/syscalls/gettid/gettid01.c
>> +++ b/testcases/kernel/syscalls/gettid/gettid01.c
>> @@ -1,3 +1,4 @@
>> +// SPDX-License-Identifier: GPL-2.0
> The license here should be GPL-2.0-later.
Sorry, GPL-2.0-or-later.
>>   /*
>>    * Crackerjack Project
>>    *

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Best Regards,
Xie Ziyao
E-mail: ziyaoxie@outlook.com