[gtk] a11y: Include gtktextaccesible.h in gtk-a11y.h

[Timm Bäder <baedert src gnome org>]

commit 9948ca7be236c9b317d448fb01b34a1ef74845cd
Author: Timm Bäder <mail baedert org>
Date:   Sat Mar 2 05:25:43 2019 +0100

    a11y: Include gtktextaccesible.h in gtk-a11y.h
    
    Closes #1710

 gtk/gtk-a11y.h | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/gtk-a11y.h b/gtk/gtk-a11y.h
index a96531b81b..8013c3a9df 100644
--- a/gtk/gtk-a11y.h
+++ b/gtk/gtk-a11y.h
@@ -71,6 +71,7 @@
 #include <gtk/a11y/gtkstackaccessible.h>
 #include <gtk/a11y/gtkstatusbaraccessible.h>
 #include <gtk/a11y/gtkswitchaccessible.h>
+#include <gtk/a11y/gtktextaccessible.h>
 #include <gtk/a11y/gtktextcellaccessible.h>
 #include <gtk/a11y/gtktextviewaccessible.h>
 #include <gtk/a11y/gtktogglebuttonaccessible.h>