Include CFBase.h in CoreFoundation_Prefix.h#4979

jmschonfeld merged 1 commit intoswiftlang:packageswiftlang/swift-corelibs-foundation:packagefrom

jmschonfeld:fix-windows-build-prefix-headerjmschonfeld/swift-corelibs-foundation:fix-windows-build-prefix-headerCopy head branch name to clipboard