#8751: refactor `Ticket.save_changes()` to remove the need for an extra `rdb` variable (read-only connection).
#8751: refactor `Ticket.save_changes()` to remove the need for an extra `rdb` variable (read-only connection).


git-svn-id: f68c6b3b1dcd5d00a2560c384475aaef3bc99487@9184 af82e41b-90c4-0310-8c96-b1721e28e2e2

exocad/exotrac,moreati/trac-gitsvn,moreati/trac-gitsvn,exocad/exotrac,moreati/trac-gitsvn,moreati/trac-gitsvn,dafrito/trac-mirror,dokipen/trac,dafrito/trac-mirror,dafrito/trac-mirror,dokipen/trac,dokipen/trac,exocad/exotrac,exocad/exotrac,dafrito/trac-mirror