Fix for pushbuild maria.test failure, where directory syncing failed at the

end of translog_flush() when datadir was in /dev/shm.


storage/maria/ma_loghandler.c:
  directory syncing can fail on shared memory devices (/dev/shm on Linux
  in this case); see my_sync_dir().

storage/maria/ma_loghandler.c

@@ -6243,7 +6243,7 @@ my_bool translog_flush(LSN lsn)
   }
   log_descriptor.flushed= sent_to_file;
   /** @todo LOG decide if syncing of directory is needed */
-  rc|= my_sync(log_descriptor.directory_fd, MYF(MY_WME));
+  rc|= my_sync(log_descriptor.directory_fd, MYF(MY_WME | MY_IGNORE_BADFD));
   translog_unlock();
   DBUG_RETURN(rc);
 }