Build synfig_icon.ico as well as sif_icon.ico
drwxr-xr-x - ETL
drwxr-xr-x - autobuild
drwxr-xr-x - gtkmm-osx
drwxr-xr-x - synfig-core
drwxr-xr-x - synfig-osx
drwxr-xr-x - synfig-studio