cmd/gogio,ui: fixups after gioui.org module rename

Signed-off-by: Elias Naur <mail@eliasnaur.com>

cmd/gogio/gio.go

@@ -110,7 +110,7 @@ func mainErr() error {
 	}
 	if appArgs := flag.Args()[1:]; len(appArgs) > 0 {
 		// Pass along arguments to the app.
-		bi.ldflags = fmt.Sprintf("-X gioui.org/ui/app.extraArgs=%s", strings.Join(appArgs, "|"))
+		bi.ldflags = fmt.Sprintf("-X gioui.org/app.extraArgs=%s", strings.Join(appArgs, "|"))
 	}
 	if err := build(bi); err != nil {
 		return err

ui/doc.go

@@ -101,7 +101,7 @@ the means for declaring handlers for specific event types.
 
 The following example declares a handler ready for key input:
 
-	import gioui.org/ui/key
+	import gioui.org/key
 
 	ops := new(ui.Ops)
 	var h *Handler = ...