I am not sure why I am getting this... I can't figure it out been at it for a few hours...
SFML2.0
MSVC++ 2010
using a functor
//global in .cpp file
sf::Thread threadLoadTextures(NX::ResourceLoadTextures());
sf::Thread threadLoadMusic(NX::ResourceLoadMusic());
sf::Thread threadLoadMaps(NX::ResourceLoadMaps());
void NX::ResourceManager::Init(void)
{
threadLoadTextures.launch();
threadLoadMusic.launch();
threadLoadMaps.launch();
}