sudo dnf -y builddep NetworkManager-fortisslvpn-gnome
rpm -ivh NetworkManager-fortisslvpn-1.2.4-3.fc26.src.rpm
cd ~/rpmbuild/SPECS
rpmbuild -ba NetworkManager-fortisslvpn.spec
cd ~/rpmbuild/x86_64/
sudo rpm -Uvh --nodeps NetworkManager-fortisslvpn-1.2.4-3.fc26.x86_64.rpm NetworkManager-fortisslvpn-gnome-1.2.4-3.fc26.x86_64.rpm