Restore MY_WME flag for my_pread in read_ddl_log_entry, fix errors in buildbot

Author: vaintroub

sql/sql_table.cc

@@ -685,7 +685,7 @@ static bool read_ddl_log_file_entry(uchar *file_entry_buf,
  DBUG_ASSERT(io_size >= size);
 
  if (mysql_file_pread(file_id, file_entry_buf, size, ((my_off_t)io_size) * entry_no,
- MYF(MY_FNABP)) != size)
+ MYF(MY_WME)) != size)
  error= TRUE;
  DBUG_RETURN(error);
 }