[PATCH -next] lib/vsprintf: Make function pointer_string static

[Yue Haibing]

From: YueHaibing <yuehaib...@huawei.com>

Fix sparse warning:

lib/vsprintf.c:673:6: warning:
 symbol 'pointer_string' was not declared. Should it be static?

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 lib/vsprintf.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 1f367f3..7b0a614 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -670,8 +670,9 @@ char *string(char *buf, char *end, const char *s,
        return string_nocheck(buf, end, s, spec);
 }
 
-char *pointer_string(char *buf, char *end, const void *ptr,
-                    struct printf_spec spec)
+static char *pointer_string(char *buf, char *end,
+                           const void *ptr,
+                           struct printf_spec spec)
 {
        spec.base = 16;
        spec.flags |= SMALL;
-- 
2.7.4