[clutter] tests/interactive: Fix compiler warning

[Emmanuele Bassi <ebassi src gnome org>]

commit b5fd0fe7fe8ac0e63f62788256f968ced51a7aaa
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Jun 18 16:29:26 2015 +0100

    tests/interactive: Fix compiler warning
    
    Missing type for the closure argument.

 tests/interactive/test-pixmap.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tests/interactive/test-pixmap.c b/tests/interactive/test-pixmap.c
index d339055..445cf5f 100644
--- a/tests/interactive/test-pixmap.c
+++ b/tests/interactive/test-pixmap.c
@@ -89,7 +89,7 @@ stage_key_release_cb (ClutterActor *actor,
 }
 
 static gboolean
-draw_arc (data)
+draw_arc (gpointer data)
 {
   Pixmap pixmap = GPOINTER_TO_UINT (data);
   Display *dpy = clutter_x11_get_default_display ();
@@ -126,7 +126,7 @@ stage_button_press_cb (ClutterActor    *actor,
                       ClutterEvent    *event,
                       gpointer         data)
 {
-  draw_arc (GPOINTER_TO_UINT (data));
+  draw_arc (data);
 
   return CLUTTER_EVENT_STOP;
 }