No error messages showed in install.sh

[NeodarZ]

Hello,

I don't know why but it's seems that stderr is also redirect to /dev/null in your install.sh file after a test on Debian Stretch and Archlinux.

If I add a 2 before >, like the following code, the stderr is showed and I know scanelf is not installed.

which scanelf 2> /dev/null

If it's normal that error messages isn't showed, I think it's a little strange...

[Secret-Messenger-App]

consider having pax-tools installed