update internal module version number for cifs.ko

From 2.41 to 2.42

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

fs/cifs/cifsfs.h

@@ -160,5 +160,5 @@ extern const struct export_operations cifs_export_ops;
 
 /* when changing internal version - update following two lines at same time */
 #define SMB3_PRODUCT_BUILD 41
-#define CIFS_VERSION   "2.41"
+#define CIFS_VERSION   "2.42"
 #endif				/* _CIFSFS_H */