fix #368: fork() does not exist in Windows, nor in MinGW
fix #368: fork() does not exist in Windows, nor in MinGW

0branch/kona,kevinlawler/kona,igaray/kona,igaray/kona,pahihu/kona,pahihu/kona,0branch/kona,igaray/kona,kevinlawler/kona,0branch/kona,pahihu/kona