[Rd] ~/.Rprofile executed twice by R.app under Mac OS X (PR#11380)

[phgrosjean at sciviews.org]

All is in the title. My config is:
Version:
  platform = i386-apple-darwin8.10.1
  arch = i386
  os = darwin8.10.1
  system = i386, darwin8.10.1
  status =
  major = 2
  minor = 7.0
  year = 2008
  month = 04
  day = 22
  svn rev = 45424
  language = R
  version.string = R version 2.7.0 (2008-04-22)

GUI:
  R-GUI 1.24 (5102)

Locale:
en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8

Search Path:
  .GlobalEnv, tools:RGUI, package:stats, package:graphics, 
package:grDevices, package:utils, package:datasets, package:methods, 
Autoloads, package:base

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  ) ) ) ) )
( ( ( ( (    Prof. Philippe Grosjean
  ) ) ) ) )
( ( ( ( (    Numerical Ecology of Aquatic Systems
  ) ) ) ) )   Mons-Hainaut University, Belgium
( ( ( ( (
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