Fix #45.

Author: ldx

iptc/xtables.py

@@ -684,6 +684,7 @@ class XTablesError(Exception):
 if _xtables_libdir is None:
     import os.path
     for xtdir in ["/lib/xtables", "/usr/lib/xtables", "/usr/lib/iptables",
+                  "/usr/lib64/xtables", "/usr/lib64/iptables",
                   "/usr/local/lib/xtables"]:
         if os.path.isdir(xtdir):
             _xtables_libdir = xtdir