[gtk+] gtk/gtkstylecascade.c: Declare variables at beginning of block

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

commit 5f525839da5208f4f70ebf50f1a1abd61b15354f
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Mon Jun 27 11:58:42 2016 +0800

    gtk/gtkstylecascade.c: Declare variables at beginning of block

 gtk/gtkstylecascade.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkstylecascade.c b/gtk/gtkstylecascade.c
index 2c890f5..7a8950b 100644
--- a/gtk/gtkstylecascade.c
+++ b/gtk/gtkstylecascade.c
@@ -49,10 +49,11 @@ gtk_style_cascade_iter_next (GtkStyleCascade     *cascade,
 
   for (cas = cascade, ix = 0; ix < iter->n_cascades; cas = cas->parent, ix++)
     {
+      GtkStyleProviderData *data;
       if (iter->cascade_index[ix] <= 0)
         continue;
 
-      GtkStyleProviderData *data = &g_array_index (cas->providers,
+      data = &g_array_index (cas->providers,
                                                    GtkStyleProviderData,
                                                    iter->cascade_index[ix] - 1);
       if (highest_priority_data == NULL || data->priority > highest_priority_data->priority)