Warning fix for loader component

[matthew green]

     matthew>    Why was dest_addr cast to void *?  It seems to me this way leads to
     matthew>    lossage!  (On my system, the sizeof (void *) is 4).
   
     matthew> unfortunately, i don't recall why i made this change.  it might be
     matthew> documented in a list somewhere, but due to the terseness of our
     matthew> ChangeLog entries, i don't know the _why_ anymore.  certainly, with
     matthew> sid as it currently is, dest_addr can never be >32 bits, so it would
     matthew> not have failed (yet.)
   
   Please check again -- the function prototype declares dest_addr as
   host_int_8.


sid doesn't currently support addresses > 32 bits, regardless of what
this code does.


.mrg.