Add GooCanvas 2.0.4 VAPI
Generated with:
vapigen --library goocanvas-2.0.vapi --pkg gio-2.0 --pkg gtk+-3.0 /usr/share/gir-1.0/GooCanvas-2.0.gir
Generated with:
vapigen --library goocanvas-2.0.vapi --pkg gio-2.0 --pkg gtk+-3.0 /usr/share/gir-1.0/GooCanvas-2.0.gir