stl_bvector.h: Change calls to 3-argument distance() into standard 2-argument version.

stl_bvector.h: Change calls to 3-argument distance() into standard 2-argument version.

2001-12-31  Phil Edwards  <pme@gcc.gnu.org>

	* include/bits/stl_bvector.h:  Change calls to 3-argument distance()
	into standard 2-argument version.
	* include/bits/stl_deque.h:  Likewise.
	* include/bits/stl_tempbuf.h:  Likewise.
	* include/bits/stl_tree.h:  Likewise.
	* include/bits/stl_vector.h:  Likewise.
	* include/ext/stl_hashtable.h:  Likewise.
	* include/bits/stl_iterator_base_funcs.h:  Move distance() extension...
	* include/ext/iterator:  to here.  New file.
	* include/Makefile.am (ext_headers):  Add new file, alphabatize.
	* include/Makefile.in:  Regenerate.

From-SVN: r48428