(struct bfd_hash_table): Change memory field to PTR.
* bfd.c (struct _bfd): Change memory field to PTR.
* bfd-in2.h: Rebuild.
* libbfd-in.h (bfd_release): Declare as function, don't define as
macro.
* libbfd.h: Rebuild.
* opncls.c: Include "objalloc.h" rather than "obstack.h". Use
objalloc routines rather than obstack routines.
(obstack_chunk_alloc, obstack_chunk_free): Don't define.
(getpagesize): Don't define.
(_bfd_new_bfd): Don't set _bfd_chunksize.
(bfd_openr): Free new bfd and objalloc on failure.
(bfd_fdopenr, bfd_openstreamr, bfd_openw): Likewise.
(bfd_alloc_size): Remove.
(bfd_release): New function.
* hash.c: Include "objalloc.h" rather than "obstack.h". Use
objalloc routines rather than obstack routines.
(obstack_chunk_alloc, obstack_chunk_free): Don't define.
* ecofflink.c: Include "objalloc.h" rather than "obstack.h". Use
objalloc routines rather than obstack routines.
(obstack_chunk_alloc, obstack_chunk_free): Don't define.
(struct accumulate): Change memory to struct objalloc *.
* liboasys.h (oasys_data_type): Remove oasys_obstack field.
* dep-in.sed: Don't remove obstack.h from dependency list.
* Makefile.in: Rebuild dependencies.
(BFD_H_DEPS): Remove obstack.h.
(install): Don't install obstack.h.
* Many files: Don't include "obstack.h".
* VERSION: Bump.