Replaced 'fatal' with LOG(FATAL) and renamed a variable to be more consistent with other uses of ZooKeeper (https://reviews.apache.org/r/6413).
Replaced 'fatal' with LOG(FATAL) and renamed a variable to be more
consistent with other uses of ZooKeeper
(https://reviews.apache.org/r/6413).

git-svn-id: 03d7800a49d8905ef4fbcc296184319e19243493@1370092 13f79535-47bb-0310-9956-ffa450edef68

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