Remove redundant check in dumpcaps.c

tests/dumpcaps.c

@@ -736,11 +736,9 @@ static int print_ext(RIG *rig, const struct confparams *cfp, rig_ptr_t ptr)
         break;
       case RIG_CONF_COMBO:
         fprintf((FILE *)ptr, "\t\tValues:");
-        if (cfp->u.c.combostr != NULL) {
         for (i = 0; i < RIG_COMBO_MAX && cfp->u.c.combostr[i] != NULL; i++) {
           fprintf((FILE *)ptr, " %d=\"%s\"", i, cfp->u.c.combostr[i]);
         }
-        }
         fprintf((FILE *)ptr, "\n");
         break;
       default: