[PATCH -next] bootconfig: Make symbol 'xbc_namebuf' static

[Wei Yongjun]

Fix sparse build warning:

init/main.c:305:6: warning:
 symbol 'xbc_namebuf' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 init/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init/main.c b/init/main.c
index 9127b240fd26..6a24981c727f 100644
--- a/init/main.c
+++ b/init/main.c
@@ -302,7 +302,7 @@ static void * __init get_boot_config_from_initrd(u32 *_size, u32 *_csum)
 
 #ifdef CONFIG_BOOT_CONFIG
 
-char xbc_namebuf[XBC_KEYLEN_MAX] __initdata;
+static char xbc_namebuf[XBC_KEYLEN_MAX] __initdata;
 
 #define rest(dst, end) ((end) > (dst) ? (end) - (dst) : 0)