fix password issue

[clowwindy]

getopt should be used with strcpy, or each optarg will be overriden.

I didn't fix other args, you may check them as well.

[dndx]

The problem here is not getopt(3), getopt(3) always return pointer to argv so that should not be a problem.

The real problem is that we used uv_setup_args() to override system argv in order to modify ps output. So the original pointer returned by getopt(3) are not pointing to valid values.

This issue should be fixed in commit 037fed9 , according to my test, it's working well now.