Added default parameter 0 to ThreadSpecificData.reset, so a call without parameters will just clean the data.
Added default parameter 0 to ThreadSpecificData.reset, so a call without
parameters will just clean the data.


git-svn-id: 3072ad45a6a0c933d2095f70d03f3573d019ba5f@308666 13f79535-47bb-0310-9956-ffa450edef68

antoine1fr/log4cxx,antoine1fr/log4cxx,antoine1fr/log4cxx,antoine1fr/log4cxx