FreeBSD Port: thunderbird-0.6

[Bram Van Dam]

Ahoi,

there appears to be a small mistake in the Thunderbird makefile.. It 
requires the files thunderbird-source-0.6.tar.bz2, however, the file name 
on the server is thunderbird-0.6-source.tar.bz2 ... Which obviously kind of 
screws things up :).

  - Bram