A PAT ON THE BACK: A crowdof 300 friends and associates gathered Thursday night at the Winnipeg Inn to toast retiring Free Press sports editor Maurice Smith and his faithful wife.(Nan. Posing wifh the Smiths during a -break in the program are (left) jackWells and Norm Coston and (right) Jack Matfieson and dinner emcee StewMacPhcrson. Among gifts presented to the Smiths was a trip anywhere in AirCanada's world- Maurice is retiring after 48 years with the newspaper