antirez/redis — pull request #1324 by hsb0818 (2013-10-14 15:56:27+00:00)
Title: Added feature to free the "slaves".

Added feature to free the "slaves".

when called clusterNodeResetSlaves function before call clusterNodeAddSlaves function,
if the "slaves" was free and do not set "NULL", will see error when called zrealloc().