cifs: update internal module number

To 2.40
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifs/cifsfs.h

@@ -153,6 +153,6 @@ extern const struct export_operations cifs_export_ops;
 #endif /* CONFIG_CIFS_NFSD_EXPORT */
 
 /* when changing internal version - update following two lines at same time */
-#define SMB3_PRODUCT_BUILD 39
-#define CIFS_VERSION   "2.39"
+#define SMB3_PRODUCT_BUILD 40
+#define CIFS_VERSION   "2.40"
 #endif				/* _CIFSFS_H */