o serveral changes / additions  to libiptc:
  - iptc_set_policy has additional argument 'counters' to be consistent
    with iptc_get_policy
  - added functions for counter manipulation
    (iptc_read_counter, iptc_zero_counter, iptc_set_counter)
o iptables-save and iptables-restore manpage clearifications
o iptables-restore counter restoring for chain counters
diff --git a/iptables-standalone.c b/iptables-standalone.c
index 7bd3a48..102c0f3 100644
--- a/iptables-standalone.c
+++ b/iptables-standalone.c
@@ -27,6 +27,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <string.h>
 #include <iptables.h>
 
 int