lesstif2 from home:fjaviersr project

For Ubuntu 12.04 run the following:

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/fjaviersr/Ubuntu_12.04/ /' | sudo tee /etc/apt/sources.list.d/home:fjaviersr.list
curl -fsSL https://download.opensuse.org/repositories/home:fjaviersr/Ubuntu_12.04/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_fjaviersr.gpg > /dev/null
sudo apt update
sudo apt install lesstif2