[mutter] renderer-native-gles3: Remove unnecessary includes

[Jonas Ådahl <jadahl src gnome org>]

commit fb3a64491ebbb0920c35ad38ce570c0be3eef2de
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Oct 30 16:08:12 2017 +0800

    renderer-native-gles3: Remove unnecessary includes
    
    They caused conflicts on i686 as GL/gl.h was included by cogl.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=788695

 src/backends/native/meta-renderer-native-gles3.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/backends/native/meta-renderer-native-gles3.c 
b/src/backends/native/meta-renderer-native-gles3.c
index 40237be..2aaae76 100644
--- a/src/backends/native/meta-renderer-native-gles3.c
+++ b/src/backends/native/meta-renderer-native-gles3.c
@@ -27,12 +27,12 @@
 #include "backends/native/meta-renderer-native-gles3.h"
 
 #include <errno.h>
+#include <gio/gio.h>
 #include <GLES3/gl3.h>
+#include <string.h>
 
-#include "backends/meta-backend-private.h"
 #include "backends/meta-gles3.h"
 #include "backends/meta-gles3-table.h"
-#include "backends/native/meta-renderer-native.h"
 
 static EGLImageKHR
 create_egl_image (MetaEgl       *egl,