ui.backend.gtk.io.unix: switch to "mx get-global".

basis/ui/backend/gtk/io/unix/unix.factor

@@ -14,7 +14,7 @@ IN: ui.backend.gtk.io.unix
 
 : dispatch ( source callback user-data -- ? )
      3drop
-     0 mx get wait-for-events
+     0 mx get-global wait-for-events
      yield t ;
 
 : <funcs> ( -- funcs )
@@ -35,7 +35,7 @@ CONSTANT: poll-fd-events
 
 : <poll-fd> ( -- poll-fd )
     GPollFD malloc-struct &free
-        mx get fd>> >>fd
+        mx get-global fd>> >>fd
         poll-fd-events >>events ;
 
 M:: unix with-event-loop ( quot -- )

basis/x11/io/unix/unix.factor

@@ -12,4 +12,7 @@ M: unix init-x-io dpy get XConnectionNumber <fd> dpy-fd set-global ;
 M: unix wait-for-display dpy-fd get +input+ wait-for-fd ;
 
 M: unix awaken-event-loop
-    dpy-fd get [ fd>> mx get remove-input-callbacks [ resume ] each ] when* ;
+    dpy-fd get [
+        fd>> mx get-global remove-input-callbacks
+        [ resume ] each
+    ] when* ;