Red Hawk Casino, underperforming since the day it opened and struggling to pay its bills, moved a step closer Thursday toward gaining financial relief. Gov. Jerry Brown signed into law a new gambling compact that reduces the revenue the state will collect from Red Hawk and its owner, the Shingle Springs Band of Miwok Indians. Brown signed AB 1267 by Assemblyman Isadore Hall, D-Compton, which ratified the new compact the governor signed with the tribe last November. Despite the governor’s signature, the Shingle Springs casino isn’t out of financial trouble yet. The tribe has to restructure $500 million in debt…