[gtk+/gtk-3-22] builder: avoid an uninitialized value

[Daniel Boles <dboles src gnome org>]

commit 98c04230c3222e0d4e434eeb2f9f2d8a0c01a113
Author: Timm Bäder <mail baedert org>
Date:   Thu Feb 16 12:21:23 2017 +0100

    builder: avoid an uninitialized value
    
    When g_module_supported() returns FALSE, args.module is garbage
    otherwise.

 gtk/gtkbuilder.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkbuilder.c b/gtk/gtkbuilder.c
index 0e4eaca..9a24276 100644
--- a/gtk/gtkbuilder.c
+++ b/gtk/gtkbuilder.c
@@ -1648,6 +1648,8 @@ gtk_builder_connect_signals (GtkBuilder *builder,
 
   if (g_module_supported ())
     args.module = g_module_open (NULL, G_MODULE_BIND_LAZY);
+  else
+    args.module = NULL;
 
   gtk_builder_connect_signals_full (builder,
                                     gtk_builder_connect_signals_default,