
    393 A.2d 1282
    Commonwealth v. Tracy, Appellant.
    
      Argued April 18, 1978.
    J. Corbett, Assistant Public Defender, with him Bernard Rubb, Assistant Public Defender, for appellant;
    C. Mitchell, Assistant District Attorney, with him Robert E. Colville, District Attorney, for Commonwealth, appellee.
   Judgment of sentence affirmed.  