Fixed generator segfaults on OS X 10.6. Regarding the change to dgenerator.cpp, I am not actually sure if 0 is the correct value to pass, but it seems to work and the code which had been there before was just plain incorrect ? it read past the list boundaries.

module qt.qtd.Traits;

version (D_Version2)
{
    public import std.traits;
}
else
{
    public import tango.core.Traits : BaseTypeTuple = BaseTypeTupleOf;
}