empty line causes .desktop file to not validate
Building xfwm4 4.15.x fails at desktop file validation step due to an empty line. See attached file.
xfce-workspaces-settings.desktop
+ desktop-file-validate /builddir/build/BUILDROOT/xfwm4-4.15.1-1.fc33.x86_64//usr/share/applications/xfce-workspaces-settings.desktop
/builddir/build/BUILDROOT/xfwm4-4.15.1-1.fc33.x86_64//usr/share/applications/xfce-workspaces-settings.desktop: error: file contains line "?", which is not a comment, a group or an entry```