[gtk+] reftest: Add missing include of reftest-snapshot.h

[Rico Tzschichholz <ricotz src gnome org>]

commit aa08b87ab67ec05c5547e7dda2dbefbf6c8fca4e
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Sep 22 15:19:51 2014 +0200

    reftest: Add missing include of reftest-snapshot.h

 testsuite/reftests/gtk-reftest.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/reftests/gtk-reftest.c b/testsuite/reftests/gtk-reftest.c
index 4f5b6f4..42d914f 100644
--- a/testsuite/reftests/gtk-reftest.c
+++ b/testsuite/reftests/gtk-reftest.c
@@ -22,6 +22,7 @@
 
 #include "reftest-compare.h"
 #include "reftest-module.h"
+#include "reftest-snapshot.h"
 
 #include <string.h>
 #include <glib/gstdio.h>