thomas/software-watchdog

thomas fc013f9910 updated software-wachdog to make it comply with ISO C++		5 vuotta sitten
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software_watchdog.h	fc013f9910 updated software-wachdog to make it comply with ISO C++	5 vuotta sitten
winpthreads.h	cff198edc0 updated software-watchdog to also work on Windows, however, only with sleep times being a multiple of 1ms	5 vuotta sitten