SPRINGFIELD — Gov. Bruce Rauner’s veto of a measure to expand automatic voter registration has been met with derision by Democrats who backed the bill.But his proposal to alter the law may not be a deal-breaker.In his veto message, Rauner called for more scrutiny of voter information by state agencies before they send information to the State Board of Elections.But he largely endorsed the concept, saying he “strongly supports” efforts to simplify registration, and that he’s been working with …