updated for version 7.4.462

Problem:    Setting the local value of 'backupcopy' empty gives an error.
            (Peter Mattern)
Solution:   When using an empty value set the flags to zero. (Hirohito
            Higashi)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    462,
 /**/
     461,
 /**/