Duplicate tray icon in Vidalia 0.3.1 on KDE 4

Precise version specification: alpha version of Vidalia 0.3.1 from alpha TBB tor-browser-gnu-linux-x86_64-2.3.12-alpha-1-en-US.tar.gz

When TBB is executed via start-tor-browser, two tray icons are displayed (see attachment).

Does not occur when Vidalia is launched solo like this (in tor-browser_en-US directory):

LD_LIBRARY_PATH=Lib App/vidalia

The following reproduces the tray icon bug:

LD_LIBRARY_PATH=Lib App/vidalia --datadir Data/Vidalia/

A wild guess is that it has something to do with the popup "Remember: please wait..."

OS: Scientific Linux 6.2 x86_64 running KDE 4.3.4

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