Fixed FreeBSD compilation problem.
Fixed FreeBSD compilation problem.

csuideal/log4cplus,hunter-packages/log4cplus,ccpaging/log4cplus,csuideal/log4cplus,ccpaging/log4cplus,ccpaging/log4cplus,hunter-packages/log4cplus,csuideal/log4cplus,hunter-packages/log4cplus,hunter-packages/log4cplus,ccpaging/log4cplus,csuideal/log4cplus