trellis.device in .First (PR#6812)

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<<insert bug report here>>
There are two bugs associated with graphics devices.
One new, one old.

1. The new one.

When I include
 trellis.device()
in my .First, Rterm 1.8.1 run in ESS happily opens a device.

Rterm 1.9.0 doesn't.  It gives the following message instead:

  [Previously saved workspace restored]
  
  Error in get(x, envir, mode, inherits) : variable "windows" was not found

2. The old one.

When no device has been opened, then q() cleanly closes R.
When a graphics device has been opened, and either is still open or was
manually closed, then q() hangs.  I need to kill it from the Windows Task
Manager.


Rich


--please do not edit the information below--

Version:
 platform = i386-pc-mingw32
 arch = i386
 os = mingw32
 system = i386, mingw32
 status = 
 major = 1
 minor = 9.0
 year = 2004
 month = 04
 day = 12
 language = R

Windows XP Home Edition (build 2600) Service Pack 1.0

Search Path:
 .GlobalEnv, package:methods, package:stats, package:graphics, package:utils, 
file:c:/HOME/rmh/hh/splus.library/HH/.RData, package:lattice, package:grid, Autoloads, package:base