[sabayon] Use Xephyr instead of Xnest

[Federico Mena Quintero <federico src gnome org>]

commit 5ca764e9c6c40ca1b5b71e06dfcdd5801b553abb
Author: Federico Mena Quintero <federico novell com>
Date:   Thu Apr 16 14:32:50 2009 -0500

    Use Xephyr instead of Xnest
    
    Xephyr supports the "new" X extensions, which should be good for the child session.
    
    Signed-off-by: Federico Mena Quintero <federico novell com>

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b2e53bf..0084701 100644
--- a/configure.ac
+++ b/configure.ac
@@ -256,7 +256,7 @@ else
   SABAYON_DIR_TMP="$bindir"
 fi
 
-AC_PATH_PROG(XNEST_PATH,Xnest,no)
+AC_PATH_PROG(XNEST_PATH,Xephyr,no)
 if test "x$XNEST_PATH" = "xno" ; then
   AC_MSG_ERROR(Xnest binary not found)
 fi