[glib] [gsignal] fix up a crasher in previous commit

[Ryan Lortie <ryanl src gnome org>]

commit c15769d30411db7e8de766d7004c90d267ebcabc
Author: Ryan Lortie <desrt desrt ca>
Date:   Mon Oct 8 11:18:00 2012 -0400

    [gsignal] fix up a crasher in previous commit
    
    The previous commit introduced a new variable in the Handler struct but
    didn't initialise it.  This was causing some tests to crash.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=118536

 gobject/gsignal.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gobject/gsignal.c b/gobject/gsignal.c
index 0b38a9c..70167af 100644
--- a/gobject/gsignal.c
+++ b/gobject/gsignal.c
@@ -587,6 +587,7 @@ handler_new (gboolean after)
   handler->block_count = 0;
   handler->after = after != FALSE;
   handler->closure = NULL;
+  handler->has_invalid_closure_notify = 0;
   
   return handler;
 }