[retro-gtk/header-fixes: 2/3] retro-gtk: Add missing public headers

[Adrien Plazas <aplazas src gnome org>]

commit fb788d321d52dcbd5c20cd67f65816699f4f592a
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sat Jan 11 16:24:45 2020 +0500

    retro-gtk: Add missing public headers
    
    Some headers were only included indirectly. List them explicitly.

 retro-gtk/retro-gtk.h | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/retro-gtk/retro-gtk.h b/retro-gtk/retro-gtk.h
index ca3beef..94ae6d2 100644
--- a/retro-gtk/retro-gtk.h
+++ b/retro-gtk/retro-gtk.h
@@ -10,6 +10,7 @@
 
 #include "retro-controller.h"
 #include "retro-controller-codes.h"
+#include "retro-controller-iterator.h"
 #include "retro-controller-type.h"
 #include "retro-core.h"
 #include "retro-core-descriptor.h"
@@ -26,6 +27,7 @@
 #include "retro-option-iterator.h"
 #include "retro-pixbuf.h"
 #include "retro-pixdata.h"
+#include "retro-rumble-effect.h"
 #include "retro-video-filter.h"
 
 #undef __RETRO_GTK_INSIDE__