A fix for a random test failure rpl_trunc_binlog: don't RESET MASTER

while the slave is connected.

mysql-test/t/rpl_trunc_binlog.test

@@ -22,5 +22,3 @@ start slave;
 sleep 3;
 --replace_result $MASTER_MYPORT MASTER_PORT
 show slave status;
-connection master;
-reset master;

sql/slave.cc

@@ -1337,7 +1337,7 @@ file '%s', errno %d)", fname, my_errno);
     if (init_relay_log_pos(rli,NullS,BIN_LOG_HEADER_SIZE,0 /* no data lock */,
 			   &msg))
     {
-      sql_print_error("Failed to open the relay log 'FIRST' (relay_log_pos 4");
+      sql_print_error("Failed to open the relay log 'FIRST' (relay_log_pos 4)");
       goto err;
     }
     rli->master_log_name[0]= 0;