SPRINGFIELD — Gov. J.B. Pritzker signed a $45 billion capital plan into law Friday, which will fund roads, bridges and a Chicago casino.Pritzker pegged the six-year, spending project as “Rebuild Illinois” and called it the “most comprehensive reconstruction effort in the state’s history.”A capital bill — the first of its kind in almost 10 years — was among Pritzker’s stated priorities when he took office in January.“The problems we face are the result of years of …