MySQL-classic did not pass the test suite rpl_rotate_logs.test anymore...

   MySQL-classic did not pass the test suite rpl_rotate_logs.test anymore because a recent 1.1424.2.17 cset introduced an opt_using_transactions
    which prevented binlogs to be rotated if transactions were not enabled. Fix for this. This bug did not affect releases.

sql/log.cc

@@ -1133,8 +1133,9 @@ bool MYSQL_LOG::write(Log_event* event_info)
       was a MyISAM event!
     */
 
-    if (file == &log_file && opt_using_transactions
-			  && !my_b_tell(&thd->transaction.trans_log))
+    if (file == &log_file) // we are writing to the real log (disk)
+    {
+      if (opt_using_transactions && !my_b_tell(&thd->transaction.trans_log))
       {
         /*
           LOAD DATA INFILE in AUTOCOMMIT=1 mode writes to the binlog
@@ -1150,7 +1151,8 @@ bool MYSQL_LOG::write(Log_event* event_info)
                                                      file->pos_in_file);
           called_handler_commit=1;
         }
-
+      }
+      /* we wrote to the real log, check automatic rotation */
       should_rotate= (my_b_tell(file) >= (my_off_t) max_binlog_size); 
     }