Patch for this bug.
-- With kindest regards, Alexander.
--- a/gtk/gtkpkglist.cc +++ b/gtk/gtkpkglist.cc @@ -427,9 +427,9 @@ g_value_set_string(value, str); break; case COMPONENT_COLUMN: - str = pkg->component().c_str(); - if(str) - g_value_set_string(value, str); + cppstr = pkg->component(); + if(cppstr.c_str() != NULL) + g_value_set_string(value, cppstr.c_str()); break; case INSTALLED_VERSION_COLUMN: str = pkg->installedVersion();