bug 4429: do not include items due today in overdue count

Use curdate() instead of now() in GetMemberIssuesAndFines.

Signed-off-by: Galen Charlton <gmcharlt@gmail.com>

C4/Members.pm

@@ -678,7 +678,7 @@ sub GetMemberIssuesAndFines {
     $sth = $dbh->prepare(
         "SELECT COUNT(*) FROM issues 
          WHERE borrowernumber = ? 
-         AND date_due < now()"
+         AND date_due < curdate()"
     );
     $sth->execute($borrowernumber);
     my $overdue_count = $sth->fetchrow_arrayref->[0];