[glib] tests/closure: Use correct prototype for signal callback

[Colin Walters <walters src gnome org>]

commit 00f5c63621d8a0e67562deaf529b6a9c9362e2d7
Author: Colin Walters <walters verbum org>
Date:   Mon Jul 22 12:51:00 2013 +0100

    tests/closure: Use correct prototype for signal callback
    
    This test worked when compiled without optimization, but fails with
    -O2.  Presumably we just happened to find the GMainLoop off the stack
    somewhere.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=704267

 gobject/tests/closure.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)
---
diff --git a/gobject/tests/closure.c b/gobject/tests/closure.c
index 8ecb058..5f1a22c 100644
--- a/gobject/tests/closure.c
+++ b/gobject/tests/closure.c
@@ -169,6 +169,16 @@ send_usr1 (gpointer user_data)
   return FALSE;
 }
 
+static gboolean
+closure_quit_callback (gpointer     user_data)
+{
+  GMainLoop *loop = user_data;
+
+  g_main_loop_quit (loop);
+
+  return TRUE;
+}
+
 static void
 test_closure_signal (void)
 {
@@ -177,7 +187,7 @@ test_closure_signal (void)
   g_idle_add_full (G_PRIORITY_LOW, send_usr1, NULL, NULL);
 
   source = g_unix_signal_source_new (SIGUSR1);
-  test_source (source, G_CALLBACK (fd_quit_callback));
+  test_source (source, G_CALLBACK (closure_quit_callback));
   g_source_unref (source);
 }
 #endif