Comment 3 for bug 77934

Forwarded to upstream:
https://sourceforge.net/tracker/index.php?func=detail&aid=1628964&group_id=95078&atid=610116

backtrace:
#0 cssdialog_padding_property_get_string (window=0x81b8428, data=0x82aa750)
    at cssdialogs-functions.c:1994
#1 0x08090997 in on_padding_property_dialog_okbutton_clicked (
    button=0x82aa750, user_data=0x83f7320) at cssdialogs-callbacks.c:1261
#2 0xb7961b29 in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
#3 0xb795479b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#4 0xb7964b93 in g_signal_chain_from_overridden ()
   from /usr/lib/libgobject-2.0.so.0
#5 0xb79660b7 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#6 0xb7966279 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#7 0xb7c76093 in gtk_button_clicked () from /usr/lib/libgtk-x11-2.0.so.0
#8 0xb7c77cde in gtk_button_set_alignment () from /usr/lib/libgtk-x11-2.0.so.0
#9 0xb7961b29 in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
#10 0xb7952fb9 in g_value_set_boxed () from /usr/lib/libgobject-2.0.so.0
#11 0xb795479b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#12 0xb796502a in g_signal_chain_from_overridden ()
   from /usr/lib/libgobject-2.0.so.0
#13 0xb79660b7 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#14 0xb7966279 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#15 0xb7c76123 in gtk_button_released () from /usr/lib/libgtk-x11-2.0.so.0
#16 0xb7c76181 in gtk_button_released () from /usr/lib/libgtk-x11-2.0.so.0