Mislav Marohnić 1a6bada94c Fix detecting parent shell on OpenBSD and Cygwin
It seems that "comm" header can't be relied on cross-platform, but that
"ucomm" is more portable. I have no idea whether it's the right value to
use here, but it seems to be doing the job.

Also strip trailing whitespace because OpenBSD 5.4 `ps` output is padded
with spaces for some reason.

Fixes #489
2014-01-02 22:36:03 +01:00
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