[ekiga] Fixed compilation issue for WIN32

[Julien Puydt <jpuydt src gnome org>]

commit fb1ea0685f7887a30379224adf2d0de633860b24
Author: Julien Puydt <jpuydt gnome org>
Date:   Thu Oct 15 17:25:03 2009 +0200

    Fixed compilation issue for WIN32
    
    Thanks to Thierry Simonnet for noticing

 lib/engine/engine.cpp |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/lib/engine/engine.cpp b/lib/engine/engine.cpp
index 1612ac9..2e74c3b 100644
--- a/lib/engine/engine.cpp
+++ b/lib/engine/engine.cpp
@@ -163,8 +163,7 @@ engine_init (Ekiga::ServiceCorePtr service_core,
 
 #ifdef HAVE_DX
   if (!videooutput_dx_init (*service_core, &argc, &argv)) {
-    delete service_core;
-    service_core = NULL;
+    service_core.reset ();
     return;
   }
 #endif