The commit 6326948f missed renaming of task->current LSM hook in BTF_ID.
Fix it to silence build warning:
WARN: resolve_btfids: unresolved symbol bpf_lsm_task_getsecid_subj

Fixes: 6326948f ("lsm: security_task_getsecid_subj() -> security_current_getsecid_subj()")
Acked-by: NAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: NAlexei Starovoitov <ast@kernel.org>