ConfigureChecks.cmake: Fix check for sys/timeb.h on OpenBSD.
ConfigureChecks.cmake: Fix check for sys/timeb.h on OpenBSD.

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