[LTP] [PATCH ltp] su01: do pre-checking to avoid annoying warnings

[Cyril Hrubis]

Hi!
> -        userdel $TEST_USER1
> +        getent passwd $TEST_USER1 && userdel $TEST_USER1

Shouldn't we redirect the output from getent to /dev/null here?

Otherwise it looks fine.

-- 
Cyril Hrubis
chrubis@suse.cz