Acknowledge Paul Eggert's help.
* rcs-5.7-sameuserlocks.patch: Patch from James Olin Oden allows
new co -S switch to disallow the user to check out the same file
twice.
* rcs-5.7-security.patch: tmpfile security patch from Olaf Kirch.
* README: Document rcs-5.7-sameuserlocks.patch and
rcs-5.7-security.patch.

Add "false" to "piped_child" call in "run_piped" function.

Try to use more random data when time() returns -1.

Try to use more random data when time() returns -1.

Use base62 encoding for non-urandom case.

Use base62 encoding for non-urandom case.

fd_select in place of select.

lib.

(divide_by): Used in base62 conversion.
(convert): Ditto.
(main): Set global_session_id using more random data and the
current time in base62 if possible, otherwise fallback to the old
method.

more random content.

phrase.

* README: Add rcs-5.7-commitid.patch description.
* Makefile.am (contrib_DATA): Add new rcs-5.7-commitid.patch file.
(EXTRA_DIST): Ditto.
* Makefile.in: Regenerated.

to add Visual C++ 5.0, Visual C++ .NET, Visual C++ .NET 2003.
* config.h config.h.in stamp-chi: Regenerated on UNIX.

sandbox_status, respectively.

change <winsock.h> to <sys/socket.h> include.
* server.c:  Remove HAVE_WINSOCK_H and <winsock.h> include.