Added complementary GLib/GObject version compatibility macros to gtk_unix.h alongside the GDK/GTK+ ones.
Added complementary GLib/GObject version compatibility macros to gtk_unix.h alongside the GDK/GTK+ ones.

hajimehoshi/ui,janstk/ui,beni55/ui,292388900/ui,ProtonMail/ui,mirrr/ui,robbiev/ui,beni55/ui,UIKit0/ui,ProtonMail/ui,cainiaocome/ui,HunterChen/ui,cainiaocome/ui,hajimehoshi/ui,janstk/ui,robbiev/ui,robbiev/ui,HunterChen/ui,292388900/ui,292388900/ui,mirrr/ui,cainiaocome/ui,mirrr/ui,UIKit0/ui,HunterChen/ui,beni55/ui,janstk/ui,UIKit0/ui,ProtonMail/ui,hajimehoshi/ui