Also enhanced the m4 test marcos and removed some cruft.

This fixes bug#1328 (libassuan: ce-server fails to compile on Darwin
due to missing include).

Let an existing command previously registered with assuan_register_command() be updated with new values. This fixes overriding the HELP command for example.

2011-02-03  Marcus Brinkmann  <marcus@g10code.com>

        * assuan-socket.c (_assuan_sock_new): Call _assuan_socket instead
        of socket.
        (_assuan_sock_connect):	Call _assuan_connect instead of connect.
        * assuan-socket-connect.c (assuan_socket_connect): Call
        _assuan_sock_new and _assuan_sock_connect instead of
        _assuan_socket and assuan_connect.
        * src/system-w32.c, src/system-w32ce.c (__assuan_socket): Call
        socket instead of _assuan_sock_new.
        (__assuan_connect): Call connect instead of _assuan_sock_connect.

2011-02-02  Marcus Brinkmann  <mb@g10code.com>

        * assuan.h.in: Replace namespace by _namespace.

2011-02-02  Marcus Brinkmann  <mb@g10code.com>

        * assuan.h.in: Replace namespace by _namespace.

2011-02-02  Marcus Brinkmann  <marcus.brinkmann@ruhr-uni-bochum.de>

        * assuan-defs.h (_assuan_socket, _assuan_connect): New prototypes.
        * assuan.h.in (ASSUAN_SYSTEM_HOOKS_VERSION): Bumped to 2.
        (struct assuan_system_hooks): Add socket and connect members.
        (__assuan_socket, __assuan_connect): New prototypes.
        (_ASSUAN_SYSTEM_PTH_IMPL): Add socket and connect members.  *
        assuan-socket-connect.c (assuan_socket_connect): Call
        _assuan_socket and _assuan_connect instead _assuan_sock_new and
        _assuan_sock_connect.
	(libassuan.def, libassuan.vers): Add __assuan_socket and
	__assuan_connect.
        * system.c (_assuan_system_hooks_copy): Initialize destination
        from system hooks, so we don't get any NULL pointers if there is a
        version	mismatch.  Support version 2 of	the system hook	structure.
        (_assuan_socket, _assuan_connect): New functions.
        * system-posix.c (__assuan_socket, __assuan_connect): New functions.
        (_assuan_system_hooks): Add __assuan_socketm, __assuan_connect.
        * system-w32.c (__assuan_socket, __assuan_connect): New functions.
        (_assuan_system_hooks): Add __assuan_socketm, __assuan_connect.
        * system-w32ce.c (__assuan_socket, __assuan_connect): New functions.
        (_assuan_system_hooks): Add __assuan_socketm, __assuan_connect.

Improved gpgcemgr

        * vasprintf.c (int_vasprintf) [HAVE_W32CE_SYSTEM && _MSC_VER]:
        Just use a fixed size buffer, as va_copy is not easy to fake.

	* gpgcedev.c (struct pipeimpl_s): Add member monitor_rvid.
	(struct monitor_s, monitor_t): New types.
	(monitor_table, monitor_table_size): New static variables.
	(pipeimpl_new): Initialize monitor_rvid.
	(allocate_monitor): New function.
	(make_pipe): Also try the monitor_table if the opnctx_table fails.
	(monitor): Renamed to ...
	(monitor_main): ... this.  Remove from monitor_table when done.
	(assign_rvid): Add to monitor table when creating monitor thread.

	* conf-w32ce-msc/stdint.h: New file.
	* conf-w32ce-msc/build.mk (conf_sources): Add stdint.h.
	(copy-static-source): Revert last change.

	* configure.ac: Check for fcntl.h.
2010-11-01  Marcus Brinkmann  <marcus.brinkmann@ruhr-uni-bochum.de>

	* assuan-socket.c, assuan-uds.c, system.c, assuan-pipe-server.c,
	assuan-pipe-connect.c [!HAVE_FCNTL_H]: Don't include fcntl.h.
	* assuan-buffer.c [!HAVE_W32CE_SYSTEM]: Do not include process.h.
	* assuan-socket.c [!HAVE_W32CE_SYSTEM]: Do not include io.h.
	* w32-includes.inc.h: Include winsock2.h before ws2tcpip.h.
	* sysutils.c (w32_read_registry): Replace goto label "leave" by
	"out" (as leave is defined by some Windows header file).
	* assuan-inquire.c: Likewise.

	* configure.ac: Check for fcntl.h.