[glade] previewer: Squash a compiler warning

[Colin Walters <walters src gnome org>]

commit 9ce191b5cef6b316d1b77150c155391e4eee4e91
Author: Colin Walters <walters verbum org>
Date:   Mon Nov 25 15:14:05 2013 -0500

    previewer: Squash a compiler warning
    
    Just trying to reduce compilation noise.

 gladeui/glade-previewer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gladeui/glade-previewer.c b/gladeui/glade-previewer.c
index cd52f79..dc26cf8 100644
--- a/gladeui/glade-previewer.c
+++ b/gladeui/glade-previewer.c
@@ -329,7 +329,7 @@ glade_previewer_stack_key_press_event (GtkWidget *window, GdkEventKey *event, Gt
 {
   GtkWidget *child =  gtk_stack_get_visible_child  (GTK_STACK (widget));
   GList *children, *node;
-  gboolean retval;
+  gboolean retval = FALSE;
   
   if (!child)
     return FALSE;