* bfd-in.h: Don't include obstack.h.

	* bfd-in.h: Don't include obstack.h.
	(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.