Added check for the nsl library.
Added check for the nsl library.

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