Fix socket_test initialization, use log4cplus::Initializer.
Fix socket_test initialization, use log4cplus::Initializer.

ccpaging/log4cplus,csuideal/log4cplus,ccpaging/log4cplus,csuideal/log4cplus,ccpaging/log4cplus,ccpaging/log4cplus,csuideal/log4cplus,csuideal/log4cplus