12364 mdb trips assertion related to autowrap

@@ -19,17 +19,17 @@
  * CDDL HEADER END
  */
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright 2020 Joyent, Inc.
  */
 
 #ifndef _MDB_IO_H
 #define _MDB_IO_H
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 #ifdef _MDB

@@ -147,10 +147,12 @@
 extern const char *mdb_iob_name(mdb_iob_t *);
 extern size_t mdb_iob_lineno(mdb_iob_t *);
 extern size_t mdb_iob_gettabstop(mdb_iob_t *);
 extern size_t mdb_iob_getmargin(mdb_iob_t *);
 
+extern void mdb_iob_set_autowrap(mdb_iob_t *);
+
 extern void mdb_iob_stack_create(mdb_iob_stack_t *);
 extern void mdb_iob_stack_destroy(mdb_iob_stack_t *);
 extern void mdb_iob_stack_push(mdb_iob_stack_t *, mdb_iob_t *, size_t);
 extern mdb_iob_t *mdb_iob_stack_pop(mdb_iob_stack_t *);
 extern size_t mdb_iob_stack_size(mdb_iob_stack_t *);