[gtk+] Minor cleanup

[Matthias Clasen <matthiasc src gnome org>]

commit 213108b64f10764dd65a68f43372c6b2e693dc28
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Mar 5 12:11:05 2016 -0500

    Minor cleanup
    
    The GtkStatusIcon::size-changed signal expects a boolean return.

 tests/teststatusicon.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/tests/teststatusicon.c b/tests/teststatusicon.c
index c98c361..d9506f1 100755
--- a/tests/teststatusicon.c
+++ b/tests/teststatusicon.c
@@ -33,11 +33,13 @@ static TestStatus status = TEST_STATUS_INFO;
 static gint timeout = 0;
 static GSList *icons = NULL;
 
-static void
+static gboolean
 size_changed_cb (GtkStatusIcon *icon,
                 int size)
 {
   g_print ("status icon %p size-changed size = %d\n", icon, size);
+
+  return FALSE;
 }
 
 static void