MDEV-21317 mysqlhotcopy and transaction_registry table

See also original report:
http://bugs.debian.org/946671

Using mysqlhotcopy, the following error occurs:

DBD::mysql::db do failed: You can't use locks with log tables at
/usr/bin/mysqlhotcopy line 545.

Author:

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

scripts/mysqlhotcopy.sh

@@ -296,7 +296,7 @@ foreach my $rdb ( @db_desc ) {
     if ($db =~ m/^mysql$/i)
     {
       @dbh_base_tables = grep 
-        { !/^(apply_status|schema|general_log|slow_log)$/ } @dbh_base_tables
+        { !/^(apply_status|schema|general_log|slow_log|transaction_registry)$/ } @dbh_base_tables
     }
 
     ## generate regex for tables/files