
    377 A.2d 990
    Commonwealth v. Williams, Appellant.
    Argued June 21, 1977.
    George B. Ditter, Assistant Public Defender, with him Calvin S. Drayer, Jr., Assistant Public Defender, for
    appellant;
    James A. Cunningham, Assistant District Attorney, with him William T. Nicholas, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  