12259 CTF shouldn't assume enum size

@@ -20,11 +20,11 @@
  */
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
- * Copyright (c) 2015 Joyent, Inc. All rights reserved.
+ * Copyright 2020 Joyent, Inc.
  */
 
 #include <strings.h>
 #include <stdlib.h>
 #include <limits.h>

@@ -692,11 +692,11 @@
         (void) snprintf(n, sizeof (n), "enum %s", name ? name : "(anon)");
 
         if (name != NULL && (type = ctf_lookup_by_name(ctfp, n)) != CTF_ERR) {
                 if (ctf_enum_iter(ctfp, type, dt_decl_hasmembers, NULL))
                         xyerror(D_DECL_TYPERED, "type redeclared: %s\n", n);
-        } else if ((type = ctf_add_enum(ctfp, flag, name)) == CTF_ERR) {
+        } else if ((type = ctf_add_enum(ctfp, flag, name, 0)) == CTF_ERR) {
                 xyerror(D_UNKNOWN, "failed to define %s: %s\n",
                     n, ctf_errmsg(ctf_errno(ctfp)));
         }
 
         ddp->dd_ctfp = ctfp;