
    423 A.2d 1315
    Commonwealth v. Johnson, A., Appellant.
    Argued April 11, 1979.
    Dennis B. Rafferty, for appellant; John F. Dent, Assistant District Attorney, for Commonwealth, appellee.
    Before VAN der VOORT, SPAETH and WATKINS, JJ.
   The judgment of the lower court is hereby affirmed.  