patch for command line arguments in activation

[Rodrigo Moya]

Hi

The attached patch adds support for arguments in activation commands. I
had to port GLib's gshell.[ch] to add the _dbus_shell_parse_argv
function.

So, it seems to work, but I'm getting an error when running bus-test:

check_segfault_service_no_auto_start:2699 received message interface
"(unset)" member "(unset)" error name
"org.freedesktop.DBus.Error.TimedOut" on 0x80cf068, expecting not this
error
segfault_service_no_auto_start failed during oom
File "dispatch.c" line 3084 process 27177 should not have been reached:
test failed

Program received signal SIGABRT, Aborted.
0xffffe410 in ?? ()
(gdb) bt
#0  0xffffe410 in ?? ()
#1  0xbfffdb48 in ?? ()
#2  0x00000006 in ?? ()
#3  0x00006a29 in ?? ()
#4  0x400872c1 in raise () from /lib/tls/libc.so.6
#5  0x40088b75 in abort () from /lib/tls/libc.so.6
#6  0x0809cd80 in _dbus_abort () at dbus-sysdeps.c:87
#7  0x08089e99 in _dbus_real_assert_not_reached (
    explanation=0x80b236c "test failed", file=0x80b5e57 "dispatch.c",
    line=3084) at dbus-internals.c:498
#8  0x080574b4 in check2_try_iterations (context=<value optimized out>,
    connection=<value optimized out>, description=<value optimized out>,
    func=0x6a29) at dispatch.c:3084
#9  0x08058501 in bus_dispatch_test (test_data_dir=0xbfffddf0)
    at dispatch.c:3170
#10 0x080624c1 in main (argc=2, argv=0xbfffdea4) at test-main.c:134

Any idea if that has something to do with my changes?
-- 
Rodrigo Moya <rodrigo at gnome-db.org>
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