smb/server: rename include guard in smb_common.h

Make the include guard more descriptive to avoid conflicts with include
guards that may be used in the future.

Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: ChenXiaoSong

fs/smb/server/smb_common.h

@@ -3,8 +3,8 @@
  *   Copyright (C) 2018 Samsung Electronics Co., Ltd.
  */
 
-#ifndef __SMB_COMMON_H__
-#define __SMB_COMMON_H__
+#ifndef __SMB_SERVER_COMMON_H__
+#define __SMB_SERVER_COMMON_H__
 
 #include <linux/kernel.h>
 
@@ -203,4 +203,4 @@ unsigned int ksmbd_server_side_copy_max_chunk_size(void);
 unsigned int ksmbd_server_side_copy_max_total_size(void);
 bool is_asterisk(char *p);
 __le32 smb_map_generic_desired_access(__le32 daccess);
-#endif /* __SMB_COMMON_H__ */
+#endif /* __SMB_SERVER_COMMON_H__ */