cifs: Fix recognizing SFU symlinks

SFU symlinks have 8 byte prefix: "IntxLNK\1".
So check also the last 8th byte 0x01.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: pali

fs/smb/client/inode.c

@@ -612,7 +612,7 @@ cifs_sfu_type(struct cifs_fattr *fattr, const char *path,
 			cifs_dbg(FYI, "Socket\n");
 			fattr->cf_mode |= S_IFSOCK;
 			fattr->cf_dtype = DT_SOCK;
-		} else if (memcmp("IntxLNK", pbuf, 7) == 0) {
+		} else if (memcmp("IntxLNK\1", pbuf, 8) == 0) {
 			cifs_dbg(FYI, "Symlink\n");
 			fattr->cf_mode |= S_IFLNK;
 			fattr->cf_dtype = DT_LNK;