Fix one more de-constifying cast.

diff --git a/print-isoclns.c b/print-isoclns.c
index d29165620f4cca54709dbf3285d25e31b456820d..fb15911c51b2787bfdb875b1acd64dfb49abcb30 100644 (file)
--- a/print-isoclns.c
+++ b/print-isoclns.c
@@ -1340,7 +1340,7 @@ isis_print_mt_port_cap_subtlv(netdissect_options *ndo,
         if (!ND_TTEST2(*(tptr), ISIS_SUBTLV_SPB_MCID_MIN_LEN))
           goto trunctlv;
 
-        subtlv_spb_mcid = (struct isis_subtlv_spb_mcid *)tptr;
+        subtlv_spb_mcid = (const struct isis_subtlv_spb_mcid *)tptr;
 
         ND_PRINT((ndo,  "\n\t         MCID: "));
         isis_print_mcid(ndo, &(subtlv_spb_mcid->mcid));