Add comment to gtk::init() highlighting the difference in behaviour compared to gtk_init()
Add comment to gtk::init() highlighting the difference in behaviour compared to gtk_init()

drewet/gtk,EPashkin/rust-gnome-gtk,drewet/gtk,gkoz/rust-gnome-gtk,daa84/gtk,insanebits/gtk,LordSentox/gtk,insanebits/gtk,Susurrus/gtk,rust-gnome/gtk,gkoz/rust-gnome-gtk,EPashkin/rust-gnome-gtk,gkoz/gtk-rs-gtk,gkoz/gtk-rs-gtk,LordSentox/gtk,Susurrus/gtk,daa84/gtk,rust-gnome/gtk