Use stack values instead of heap values for out pointers
Use stack values instead of heap values for out pointers

LordSentox/gtk,gkoz/gtk-rs-gtk,insanebits/gtk,nicokoch/glib,gkoz/rust-gnome-gtk,gkoz/gtk-rs-gtk,rtsuk/cairo,gkoz/rust-gnome-gtk,EPashkin/rust-gnome-gtk,drewet/gtk,gkoz/gtk-rs-pango,insanebits/gtk,rust-gnome/gtk,gkoz/rust-gnome-cairo,LordSentox/gtk,mitaa/gtk,Susurrus/gtk,rust-gnome/cairo,Susurrus/glib,gkoz/rust-gnome-glib,mitaa/gtk,Susurrus/gtk,EPashkin/rust-gnome-glib,EPashkin/rust-gnome-gtk,gkoz/gtk-rs-glib,drewet/gtk,daa84/gtk,rust-gnome/glib,rust-gnome/gtk,daa84/gtk,gkoz/gtk-rs-cairo