[PATCH -next] lib/test_lockup.c: make symbol 'test_works' static

[Wei Yongjun]

Fix sparse build warning:

lib/test_lockup.c:403:1: warning:
 symbol '__pcpu_scope_test_works' was not declared. Should it be static?

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 lib/test_lockup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/test_lockup.c b/lib/test_lockup.c
index ff26f36d729f..0f81252837b9 100644
--- a/lib/test_lockup.c
+++ b/lib/test_lockup.c
@@ -400,7 +400,7 @@ static void test_lockup(bool master)
        test_unlock(master, true);
 }
 
-DEFINE_PER_CPU(struct work_struct, test_works);
+static DEFINE_PER_CPU(struct work_struct, test_works);
 
 static void test_work_fn(struct work_struct *work)
 {