A slip of the pen on an arrest report wasn’t enough to invalidate a DUI suspension, a state appeals panel ruled Thursday.The 2nd District Appellate Court reinstated Ross E. Raupp’s statutory summary suspension in connection with the drunken-driving charge, finding the “obvious scrivener’s errors” in the original police paperwork — later corrected — gave the Illinois Secretary of State’s Office enough information for action.Raupp was arrested near DeKalb for DUI on Jan. 12 …