enhancement - use char* rather than void* to make it compile on vc2010, see http://bugzilla.fcdonders.nl/show_bug.cgi?id=2472


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9196 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0