[PATCH -next] scftorture: Make torture_type static

[GUO Zihua]

torture_type is not referred elsewhere, so make it static.

This resolves sparse warning:
  warning: symbol 'torture_type' was not declared. Should it be static?

Signed-off-by: GUO Zihua <guozihua@xxxxxxxxxx>
---
 kernel/scftorture.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/scftorture.c b/kernel/scftorture.c
index 5d113aa59e77..b92da02d0293 100644
--- a/kernel/scftorture.c
+++ b/kernel/scftorture.c
@@ -67,7 +67,7 @@ torture_param(int, weight_many_wait, -1, "Testing weight for multi-CPU operation
 torture_param(int, weight_all, -1, "Testing weight for all-CPU no-wait operations.");
 torture_param(int, weight_all_wait, -1, "Testing weight for all-CPU operations.");
 
-char *torture_type = "";
+static char *torture_type = "";
 
 #ifdef MODULE
 # define SCFTORT_SHUTDOWN 0
-- 
2.17.1