MDEV-33187: mariadb-hotcopy fails for sys

Signed-off-by: Paul Szabo psz@maths.usyd.edu.au www.maths.usyd.edu.au/u/psz
School of Mathematics and Statistics University of Sydney Australia

scripts/mysqlhotcopy.sh

@@ -289,6 +289,7 @@ if ( defined $opt{regexp} ) {
     while ( my ($db_name) = $sth_dbs->fetchrow_array ) {
 	next if $db_name =~ m/^information_schema$/i;
 	next if $db_name =~ m/^performance_schema$/i;
+	next if $db_name =~ m/^sys$/i;
 	push @db_desc, { 'src' => $db_name, 't_regex' => $t_regex } if ( $db_name =~ m/$opt{regexp}/o );
     }
 }