[GitHub] zookeeper issue #498: fix typo, charater --> character

[maoling]

Github user maoling commented on the issue:

    https://github.com/apache/zookeeper/pull/498
  
    @hughobrienjet
        It is better to create a 
[JIRA](https://issues.apache.org/jira/projects/ZOOKEEPER/) issues (sign up JIRA 
if you don't have an account) to bind this PR to a JIRA-ID
    more details in 
[this](https://cwiki.apache.org/confluence/display/ZOOKEEPER/HowToContribute])


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