[gtk] testsuite/gtk/singleselection.c: Avoid VLA usage

[Chun-wei Fan <fanchunwei src gnome org>]

commit a339a5d61763a57e2138d78ba0a828288ed828f4
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Thu Feb 21 10:37:27 2019 +0800

    testsuite/gtk/singleselection.c: Avoid VLA usage
    
    It is unfortunate that Visual Studio is unlikely to support VLA usage,
    so replace it with g_newa().

 testsuite/gtk/singleselection.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/testsuite/gtk/singleselection.c b/testsuite/gtk/singleselection.c
index 165ea5a413..4b7280fbbc 100644
--- a/testsuite/gtk/singleselection.c
+++ b/testsuite/gtk/singleselection.c
@@ -97,7 +97,7 @@ splice (GListStore *store,
         guint      *numbers,
         guint       added)
 {
-  GObject *objects[added];
+  GObject **objects = g_newa (GObject *, added);
   guint i;
 
   for (i = 0; i < added; i++)