[Tracker] crash in nautilus when using builtin tracker search support

[Michael Biebl <mbiebl gmail com>]

Hi,

today I compiled nautilus 2.28.4 with tracker-0.7 support as I wanted
to test the builtin search support.
The tracker version I compiled against is 0.7.16.

Unfortunately results are not so good. When I hit CTRL+F in nautilus,
enter a searchterm and hit enter, nautilus crashes:

-- Program received signal SIGSEGV, Segmentation fault.
0xb71a05a2 in g_type_instance_get_private () from /usr/lib/libgobject-2.0.so.0
(gdb) bt full
#0  0xb71a05a2 in g_type_instance_get_private ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#1  0xb781720b in callback_with_array (proxy=0x94c72b8, OUT_result=0x98ca030,
    error=0x0, user_data=0x815b120) at tracker.c:399
        i = <value optimized out>
#2  0xb7816c41 in
org_freedesktop_Tracker1_Resources_sparql_query_async_callback
(proxy=0x94c72b8, call=0x1, user_data=0x98f1f20)
    at tracker-resources-glue.h:81
        error = 0x0
        OUT_result = 0x98ca030
#3  0xb77bc53f in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#4  0xb6b6ce51 in ?? () from /lib/libdbus-1.so.3
No symbol table info available.
#5  0xb6b5cd56 in ?? () from /lib/libdbus-1.so.3
No symbol table info available.
#6  0xb6b5da5c in dbus_connection_dispatch () from /lib/libdbus-1.so.3
No symbol table info available.
#7  0xb77b7bdd in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#8  0xb70c6b38 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
No symbol table info available.
#9  0xb70ca3d0 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#10 0xb70ca83f in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#11 0xb7508139 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#12 0x0808184f in main (argc=1, argv=0xbf8e1744) at nautilus-main.c:544

This is reproducible, so if you need me to do further debugging, let me know.

Michael