diff -Naur firefox/nightly firefox-update/nightly
--- firefox/nightly 1970-01-01 01:00:00.000000000 +0100
+++ firefox-update/nightly  2011-07-06 22:44:31.359999581 +0200
@@ -0,0 +1,7 @@
+#!/bin/bash
+BASE_FILE=$(readlink -f $0)
+BASE_DIR=$(dirname $BASE_FILE)
+export LD_PRELOAD=/usr/local/lib/advmemcpy.so
+
+# Launch firefox executable
+${BASE_DIR}/firefox "$@" &