No longer include <string>.
No longer include <string>.

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