Comment 2 for bug 1555610

StacktraceTop:
 Glib::get_unichar_from_std_iterator(__gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >) () from /tmp/apport_sandbox_1rtyMp/usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
 operator* (this=0x7ffc89aba770) at /usr/include/glibmm-2.4/glibmm/ustring.h:972
 GParted::PipeCapture::OnReadable (this=0x7f7115d8b0b0, condition=<optimized out>) at PipeCapture.cc:65
 GParted::PipeCapture::_OnReadable (source=<optimized out>, condition=<optimized out>, data=<optimized out>) at PipeCapture.cc:45
 g_main_context_dispatch () from /tmp/apport_sandbox_1rtyMp/lib/x86_64-linux-gnu/libglib-2.0.so.0