selftests/bpf: fix test_sysctl_prog with alu32

Similar to commit b7a0d65d80 ("bpf, testing: Workaround a verifier failure for test_progs")
fix test_sysctl_prog.c as well.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Alexei Starovoitov 2020-04-28 15:30:48 -07:00
commit 9b329d0dbe