more -Wunused-but-set-variable fixes

diff --git a/usr.sbin/tcpdump/print-lwres.c b/usr.sbin/tcpdump/print-lwres.c
index 441009e..81e768c 100644 (file)
--- a/usr.sbin/tcpdump/print-lwres.c
+++ b/usr.sbin/tcpdump/print-lwres.c
@@ -394,12 +394,10 @@ lwres_print(const u_char *bp, u_int length)
                 */
                lwres_gabnrequest_t *gabn;
                lwres_gnbarequest_t *gnba;
-               lwres_grbnrequest_t *grbn;
                u_int32_t l;
 
                gabn = NULL;
                gnba = NULL;
-               grbn = NULL;
 
                switch (ntohl(np->opcode)) {
                case LWRES_OPCODE_NOOP: