Revert "node/inetd: fix args for execvp()"

This reverts commit 7aa72e3dea90efcdea0106f6ec28281420a445e3.

As helmut said :

    I'd leave it as is and be compliant with mini-inetd
    that way you only have to know one syntax and not two
    also stock openbsd inetd also wants argv[0]