xt match: fix set-never-used warning
diff --git a/tc/m_xt.c b/tc/m_xt.c
index ede9913..651a59e 100644
--- a/tc/m_xt.c
+++ b/tc/m_xt.c
@@ -124,11 +124,9 @@
 	char **argv = *argv_p;
 	int argc = 0, iargc = 0;
 	char k[16];
-	int res = -1;
 	int size = 0;
 	int iok = 0, ok = 0;
 	__u32 hook = 0, index = 0;
-	res = 0;
 
 	xtables_init_all(&tcipt_globals, NFPROTO_IPV4);
 	set_lib_dir();