Fixing creation of grb::Vector<reference> with bsp1d backend#406

GiovaGa wants to merge 1 commit intodevelopAlgebraic-Programming/ALP:developfrom

403-creating-a-grbvector-t-grbreference-when-running-with-bsp1d-backend-gives-runtime-errorAlgebraic-Programming/ALP:403-creating-a-grbvector-t-grbreference-when-running-with-bsp1d-backend-gives-runtime-errorCopy head branch name to clipboard