factory.cxx: Remove #ifdefs around system specific includes now that the headers contain the same guards themselves.
factory.cxx: Remove #ifdefs around system specific includes now that the headers
contain the same guards themselves.

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