globally replace NETFILTER_VERSION with IPTABLES_VERSION to have consistent naming
diff --git a/iptables-save.c b/iptables-save.c
index e57cd7c..cb7da40 100644
--- a/iptables-save.c
+++ b/iptables-save.c
@@ -259,7 +259,7 @@
 		time_t now = time(NULL);
 
 		printf("# Generated by iptables-save v%s on %s",
-		       NETFILTER_VERSION, ctime(&now));
+		       IPTABLES_VERSION, ctime(&now));
 		printf("*%s\n", tablename);
 
 		/* Dump out chain names first, 
@@ -314,7 +314,7 @@
 	int c;
 
 	program_name = "iptables-save";
-	program_version = NETFILTER_VERSION;
+	program_version = IPTABLES_VERSION;
 
 #ifdef NO_SHARED_LIBS
 	init_extensions();