Only invalidate file descriptor if client is initialized
Only invalidate file descriptor if client is initialized

tamird/mysql2,brianmario/mysql2,bigcartel/mysql2,jeremy/mysql2,sodabrew/mysql2,tamird/mysql2,tamird/mysql2,tamird/mysql2,bigcartel/mysql2,jeremy/mysql2,brianmario/mysql2,sodabrew/mysql2,jeremy/mysql2,bigcartel/mysql2,kamipo/mysql2,kamipo/mysql2,bigcartel/mysql2,kamipo/mysql2,brianmario/mysql2,kamipo/mysql2,sodabrew/mysql2