Deforaos-Locker crash on FBSD

[olivier@laptop]~>gdb locker
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(gdb) run
Starting program: /usr/local/bin/locker
[New LWP 100150]
[New Thread 807c07400 (LWP 100150/locker)]
DEBUG: _debug_init()
DEBUG: _debug_event() LOCKING

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 807c07400 (LWP 100150/locker)]
0x00000000004038ff in _locker_on_realize (widget=0x807cf1010, data=0x807d9b280)
    at locker.c:1085
1085    locker.c: No such file or directory.
    in locker.c
(gdb) backtrace
#0  0x00000000004038ff in _locker_on_realize (widget=0x807cf1010,
    data=0x807d9b280) at locker.c:1085
#1  0x000000080422754f in g_closure_invoke ()
   from /usr/local/lib/libgobject-2.0.so.0
#2  0x000000080423e521 in g_signal_handlers_block_matched ()
   from /usr/local/lib/libgobject-2.0.so.0
#3  0x00000008042403c0 in g_signal_emit_valist ()
   from /usr/local/lib/libgobject-2.0.so.0
#4  0x00000008042407c3 in g_signal_emit ()
   from /usr/local/lib/libgobject-2.0.so.0
#5  0x0000000800ec1fb7 in gtk_widget_realize ()
   from /usr/local/lib/libgtk-x11-2.0.so.0
#6  0x0000000800ed2f68 in gtk_window_new ()
   from /usr/local/lib/libgtk-x11-2.0.so.0
#7  0x000000080422754f in g_closure_invoke ()
   from /usr/local/lib/libgobject-2.0.so.0
#8  0x000000080423e21d in g_signal_handlers_block_matched ()
   from /usr/local/lib/libgobject-2.0.so.0
#9  0x00000008042403c0 in g_signal_emit_valist ()
   from /usr/local/lib/libgobject-2.0.so.0
#10 0x00000008042407c3 in g_signal_emit ()
   from /usr/local/lib/libgobject-2.0.so.0
#11 0x0000000800ec2e79 in gtk_widget_show ()
---Type <return> to continue, or q <return> to quit---
   from /usr/local/lib/libgtk-x11-2.0.so.0
#12 0x000000000040466d in _locker_action_lock (locker=0x807d9b280)
    at locker.c:798
#13 0x0000000000404864 in _locker_on_message (data=0x807cf1010,
    value1=131707520, value2=131010576, value3=130509664) at locker.c:1073
#14 0x0000000800852022 in _desktop_message_on_callback (xevent=Variable "xevent" is not available.
)
    at message.c:112
#15 0x00000008012dc502 in gdk_events_pending ()
   from /usr/local/lib/libgdk-x11-2.0.so.0
#16 0x00000008012dd776 in gdk_events_pending ()
   from /usr/local/lib/libgdk-x11-2.0.so.0
#17 0x00000008012ddb9e in gdk_add_client_message_filter ()
   from /usr/local/lib/libgdk-x11-2.0.so.0
#18 0x00000008048a87f3 in g_main_context_dispatch ()
   from /usr/local/lib/libglib-2.0.so.0
#19 0x00000008048ac812 in g_main_context_prepare ()
   from /usr/local/lib/libglib-2.0.so.0
#20 0x00000008048acc05 in g_main_loop_run ()
   from /usr/local/lib/libglib-2.0.so.0
#21 0x0000000800da5713 in gtk_main () from /usr/local/lib/libgtk-x11-2.0.so.0
#22 0x00000000004052e4 in main (argc=1, argv=0x7fffffffd950) at main.c:84