Make sure auth argument is escaped
diff --git a/unix/vncserver b/unix/vncserver
index 2ef436a..9e7a6ac 100755
--- a/unix/vncserver
+++ b/unix/vncserver
@@ -207,7 +207,7 @@
# override these where present.
$default_opts{desktop} = "edString($desktopName);
$default_opts{httpd} = $vncJavaFiles if ($vncJavaFiles);
-$default_opts{auth} = $xauthorityFile;
+$default_opts{auth} = "edString($xauthorityFile);
$default_opts{geometry} = $geometry if ($geometry);
$default_opts{depth} = $depth if ($depth);
$default_opts{pixelformat} = $pixelformat if ($pixelformat);