
    441 A.2d 448
    Commonwealth v. Rivera, Appellant.
    
      Submitted March 3, 1981.
    Thomas G. Klingensmith, Assistant Public Defender, for appellant; Michael H. Ranck, District Attorney for Commonwealth, appellee.
    Before CERCONE, P.J., WICKERSHAM and BROSKY, JJ.
   Judgment of sentence affirmed.  