iptables trivial compile warning cleanup (Phil Oester <kernel@linuxace.com>)

Cleanup a few compile warnings in latest snapshot:

extensions/libipt_dscp_helper.c:69: warning: 'dscp_to_name' defined but not used
extensions/libipt_sctp.c: In function 'print_chunks':
extensions/libipt_sctp.c:465: warning: value computed is not used
extensions/libipt_sctp.c:477: warning: value computed is not used

Resolves bug #457.
diff --git a/extensions/libipt_dscp_helper.c b/extensions/libipt_dscp_helper.c
index 0279670..31adb6c 100644
--- a/extensions/libipt_dscp_helper.c
+++ b/extensions/libipt_dscp_helper.c
@@ -63,7 +63,7 @@
 }
 
 
-
+#if 0
 static const char *
 dscp_to_name(unsigned int dscp)
 {
@@ -78,5 +78,5 @@
 	exit_error(PARAMETER_PROBLEM,
 			"Invalid DSCP value `%d'\n", dscp);
 }
-
+#endif