src/fuse_users.c: use re-entrant versions of getpwuid, getgid, etc
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Key: HDFS-3271
URL: https://issues.apache.org/jira/browse/HDFS-3271
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Colin Patrick McCabe
Priority: Minor
Use the re-entrant versions of these functions rather than using locking
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