[ISSUE] Clipit (clipboard manager) is broken

[AngryPhantom <AngryPhantom@users.noreply.github.com>]

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New issue by AngryPhantom on void-packages repository

https://github.com/void-linux/void-packages/issues/20402

Description:
Please, could someone fix **clipit** clipboard manager? Sorry, I don't know who's the maintainer so please tag him if you know.

### Steps to reproduce the behavior
1. Install Void MATE
2. Install Clipit
3. Add it to autostart session

### Expected behavior
Clipit should autostart within the session

### Actual behavior
It doesn't autostart after adding via System - Preferences - Personal - Startup Applications. What's more interesting, it doesn't start even via Alt+F2 (Run Application).
There will be no errors in .xsession-errors. I even edited /etc/xdg/autostart/clipit-startup.desktop adding MATE to «OnlyShowIn» string. Nothing.

But... it starts from the console without any error/issue!

And here is the commit which is (ta-dah!) in the [git repo](https://github.com/CristianHenzel/ClipIt/pull/90/commits/45e46d03b3ff315b5b380004d85fb499b4c139db) since 2018! (thanks to our local Linux forum user).

In the main.c:

`if (!isatty(fileno(stdin)))`

returns -1

In order to fix that we should remove pipe check or `return -1`.

The thing is that the maintainer here takes the archive ([v1.4.4.tar.gz](https://github.com/CristianHenzel/ClipIt/archive/v1.4.4.tar.gz)) which doesn't contain the above mentioned commit. He should've simply cloned the git I guess.

Thank you in advance! Stay safe, cheers.