In main() check that the user is running us as root

Signed-off-by: Mark McLoughlin <markmc@redhat.com>

Index: livecd/creator/livecd-creator
===================================================================
--- livecd.orig/creator/livecd-creator	2007-03-27 15:01:14.000000000 +0100
+++ livecd.orig/creator/livecd-creator	2007-03-27 15:01:14.000000000 +0100
@@ -810,6 +810,10 @@ def main():
         usage(out)
         return ret
 
+    if os.geteuid () != 0:
+        print >> sys.stderr, "You must run livecd-creator as root"
+        return 1
+
     target = InstallationTarget(options.repos,
                                 options.packages,
                                 options.epackages,

--