
    427 A.2d 265
    Commonwealth v. Lopez, Appellant.
    Submitted December 6, 1979.
    Thomas G. Klingensmith, Assistant Public Defender, for appellant;
    Edward F. Browne, Assistant District Attorney, for Commonwealth, appellee.
    Before BROSKY, WICKERSHAM and ROBERTS, JJ.
    
    
      
       Justice Samuel J. Roberts of the Supreme Court of Pennsylvania, is sitting by designation.
    
   Affirmed.  