For the scalable icon, use art/tango/scalable/gnucash.svg instead of
art/icon.svgz.
art/tango/22x22/gnucash.png is actually of size 24², so rename it to
gnucash-24x24.png and create gnucash-22x22.png by removing the
transparent 1px border. Install those icons into
${datadir}/icons/hicolor/${size}/apps so that apps like gnome-panel do
not scale down the .svg instead.
BP
git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@17126 57a11ea4-9604-0410-9ed3-97b8803252fd