gtk_icon_info_free has been deprecated in favor of g_object_unref. I'll attach patch shortly.
Created attachment 206062 [details]
Comment on attachment 206062 [details]
We can't do this, we depend on GTK+ 3.6, where GtkIconInfo is not a GObject but a boxed type. We need to add an #ifdef until we bump the required version to 3.8, or we can simply ignore deprecated symbols in gtk versions grater than 3.6. I even proposed a patch to remove the annoying warnings for those cases indeed, see bug #118237.