update to external/mne: it is now version 0fc7f645d0f5c00d2726c7a2b52d14959a47dc0d of mne-matlab

git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9191 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0