Remove double error printout in mysqldump

client/mysqldump.c:
  Remove double error printout, mysql_query_with_error_report will do that. And set the exit code for us.
mysql-test/r/mysqldump.result:
  Update test result after merge

client/mysqldump.c

@@ -2994,8 +2994,6 @@ static int do_show_master_status(MYSQL *mysql_con)
     (opt_master_data == MYSQL_OPT_MASTER_DATA_COMMENTED_SQL) ? "-- " : "";
   if (mysql_query_with_error_report(mysql_con, &master, "SHOW MASTER STATUS"))
   {
-    my_printf_error(0, "Error: Couldn't execute 'SHOW MASTER STATUS': %s",
-                    MYF(0), mysql_error(mysql_con));
     return 1;
   }
   else

mysql-test/r/mysqldump.result

@@ -2884,7 +2884,7 @@ grant RELOAD on *.* to mysqltest_1@localhost;
 mysqldump: Couldn't execute 'SHOW MASTER STATUS': Access denied; you need the SUPER,REPLICATION CLIENT privilege for this operation (1227)
 mysqldump: Couldn't execute 'SHOW MASTER STATUS': Access denied; you need the SUPER,REPLICATION CLIENT privilege for this operation (1227)
 grant REPLICATION CLIENT on *.* to mysqltest_1@localhost;
-CHANGE MASTER TO MASTER_LOG_FILE='master-bin.000003', MASTER_LOG_POS=3784;
+CHANGE MASTER TO MASTER_LOG_FILE='master-bin.000003', MASTER_LOG_POS=9227;
 CREATE TABLE `t1` (
   `a` int(11) default NULL,
   `b` varchar(34) default NULL