Merged revisions 290026 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r290026 | kpfleming | 2010-10-02 12:57:13 -0500 (Sat, 02 Oct 2010) | 6 lines
  
  Allow users to pass additional arguments to the Subversion command that
  obtains the MP-3 source code.
  
  (reported on IRC by jmls)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@290027 65c4cc65-6c06-0410-ace0-fbb531ad65f3