Comment 2 for bug 939626

StacktraceTop:
 pango_layout_index_to_line_and_extents (line_rect=0x7fffc3e56c30, index=0, layout=0x1c54800) at /build/buildd/pango1.0-1.29.5/./pango/pango-layout.c:1625
 pango_layout_get_cursor_pos (layout=0x1c54800, index=0, strong_pos=0x7fffc3e56ca0, weak_pos=0x7fffc3e56cb0) at /build/buildd/pango1.0-1.29.5/./pango/pango-layout.c:2253
 nux::TextEntry::GetCursorLocationInLayout (this=0x23906a0, strong_x=0x7fffc3e56d28, strong_y=0x7fffc3e56d2c, strong_height=0x7fffc3e56d30, weak_x=0x7fffc3e56d34, weak_y=0x7fffc3e56d38, weak_height=0x7fffc3e56d3c) at ./TextEntry.cpp:1061
 nux::TextEntry::DrawCursor (this=0x23906a0, canvas=0x379b800) at ./TextEntry.cpp:983
 nux::TextEntry::MainDraw (this=0x23906a0) at ./TextEntry.cpp:652