bugxif - fixed regression problem that was detected with test_bug1808, the issue was with renaming the input variable inside the function (hdr is not available any more). 


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@8828 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0