compositor: Change default background to be a png
diff --git a/compositor/compositor.c b/compositor/compositor.c
index 3257240..d992642 100644
--- a/compositor/compositor.c
+++ b/compositor/compositor.c
@@ -44,7 +44,7 @@
* advertise that through a service on the session dbus.
*/
static const char *option_socket_name = NULL;
-static const char *option_background = "background.jpg";
+static const char *option_background = "background.png";
static int option_idle_time = 300;
static struct wl_list child_process_list;