[totem] lib: Don't unhibit with '0' as the cookie

[Bastien Nocera <hadess src gnome org>]

commit f6ddecb97e704ec659f32f22ae3876793ba79962
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Mar 10 16:23:50 2011 +0000

    lib: Don't unhibit with '0' as the cookie

 lib/totem-scrsaver.c |   18 ++++++++++--------
 1 files changed, 10 insertions(+), 8 deletions(-)
---
diff --git a/lib/totem-scrsaver.c b/lib/totem-scrsaver.c
index 47f96df..aaa74bd 100644
--- a/lib/totem-scrsaver.c
+++ b/lib/totem-scrsaver.c
@@ -181,14 +181,16 @@ screensaver_inhibit_dbus (TotemScrsaver *scr,
 				   on_inhibit_cb,
 				   scr);
 	} else {
-                g_dbus_proxy_call (priv->gs_proxy,
-				   "Uninhibit",
-				   g_variant_new ("(u)", priv->cookie),
-				   G_DBUS_CALL_FLAGS_NO_AUTO_START,
-				   -1,
-				   NULL,
-				   on_uninhibit_cb,
-				   scr);
+		if (priv->cookie > 0) {
+			g_dbus_proxy_call (priv->gs_proxy,
+					   "Uninhibit",
+					   g_variant_new ("(u)", priv->cookie),
+					   G_DBUS_CALL_FLAGS_NO_AUTO_START,
+					   -1,
+					   NULL,
+					   on_uninhibit_cb,
+					   scr);
+		}
 	}
 }