[clutter] tests: Fix some compiler warnings

[Emmanuele Bassi <ebassi src gnome org>]

commit 9901a06a1fb0499feb4a4e6efb3868f2a155f753
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Oct 12 09:57:53 2011 +0100

    tests: Fix some compiler warnings

 tests/interactive/test-main.c    |    2 +-
 tests/interactive/test-threads.c |    7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/tests/interactive/test-main.c b/tests/interactive/test-main.c
index 74bbcd0..cec02cf 100644
--- a/tests/interactive/test-main.c
+++ b/tests/interactive/test-main.c
@@ -139,7 +139,7 @@ main (int argc, char **argv)
 
           g_print ("  - %s:%*s%s\n",
                    test_unit_names[i],
-                   (int) len - strlen (str), " ",
+                   (int) (len - strlen (str)), " ",
                    str);
 
           g_free (str);
diff --git a/tests/interactive/test-threads.c b/tests/interactive/test-threads.c
index 72a68a9..450e2a7 100644
--- a/tests/interactive/test-threads.c
+++ b/tests/interactive/test-threads.c
@@ -27,8 +27,13 @@ test_thread_data_new (void)
 }
 
 static void
-test_thread_data_free (TestThreadData *data)
+test_thread_data_free (gpointer _data)
 {
+  TestThreadData *data = _data;
+
+  if (data == NULL)
+    return;
+
   g_object_unref (data->progress);
   g_object_unref (data->label);
   g_object_unref (data->stage);