FileView: adds another convenience ctor with respect to FileDescriptor
FileView: adds another convenience ctor with respect to FileDescriptor

christianparpart/x0,christianparpart/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,xzero/x0,christianparpart/x0,xzero/x0,christianparpart/x0,xzero/x0,christianparpart/x0,xzero/x0