This is the 9th of some splitted native Windows patches grouped by
functionality.
Native Windows port enhancements:
- changed opt_no_daemon to global
- now Cygwin can support daemon and Windows service mode in the same binary
- added Windows platform info in cache_manager output
- missing Makefile.am entry for squid_windows.h
- added more Windows service support definitions
- added cache.log info when unlinkd is disabled
- storeFsDone() is always needed for some fs storage: Coss, Awin32