Problem with newer versions

Hi!

We have a problem with fou4s versions newer than 0.12.3. Installation of
patches aborts with the message

************************
* ERROR: Update failed *
************************

/usr/sbin/fou4s: line 1425: su: command not found

(which is correct, since we don't have su on our machines. It would open
gaping security holes in combination with sudo rights some users have).

I looked at the source code but I don't quite understand why 0.12.3
works while newer versions don't. The test condition that triggers the
call to su looks quite the same to me.

Any suggestions at how to circumvent this problem?

thanks
	markus

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