ebtables: fixed installation when cross-compiling when DESTDIR is effective

security/ebtables/ebtables.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../ebtables/ebtables.conf
-# Copyright (C) 2006 - 2011 The OpenSDE Project
+# Copyright (C) 2006 - 2014 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 #
 # More information can be found in the files COPYING and README.
@@ -13,4 +13,5 @@
 # GNU General Public License can be found in the file COPYING.
 # --- SDE-COPYRIGHT-NOTE-END ---
 
-var_append makeinstopt ' ' "PREFIX=$root/$prefix"
+var_insert makeopt ' ' "PREFIX=/$prefix"
+var_insert makeinstopt ' ' "PREFIX=/$prefix"