When building with W=1, the following warning occurs.

In file included from fs/efs/super.c:18:0:
fs/efs/efs.h:22:19: warning: ‘cprt’ defined but not used [-Wunused-const-variable=]
 static const char cprt[] = "EFS: "EFS_VERSION" - (c) 1999 Al Smith
<Al.Smith@aeschi.ch.eu.org>";
                   ^~~~
The 'cprt' is not used in any files, we move the copyright statement
into the comment.

Signed-off-by: Zhu Wang <wangzhu9@huawei.com>

---
Changes in v2:
- Remove cprt from the code, and move the copyright to the comment.
- Remove the fix tag.
---
 fs/efs/efs.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/fs/efs/efs.h b/fs/efs/efs.h
index 13a4d9622633..918d2b9abb76 100644
--- a/fs/efs/efs.h
+++ b/fs/efs/efs.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * Copyright (c) 1999 Al Smith
+ * Copyright (c) 1999 Al Smith, <Al.Smith@aeschi.ch.eu.org>
  *
  * Portions derived from work (c) 1995,1996 Christian Vogelgsang.
  * Portions derived from IRIX header files (c) 1988 Silicon Graphics
@@ -19,9 +19,6 @@
 
 #define EFS_VERSION "1.0a"
 
-static const char cprt[] = "EFS: "EFS_VERSION" - (c) 1999 Al Smith <Al.Smith@aeschi.ch.eu.org>";
-
-
 /* 1 block is 512 bytes */
 #define	EFS_BLOCKSIZE_BITS	9
 #define	EFS_BLOCKSIZE		(1 << EFS_BLOCKSIZE_BITS)
-- 
2.17.1