mlogger creates /Logger/Multithread transitions and then asks user to delete it

[Former user]

https://bitbucket.org/tmidas/midas/src/67281b4031eeff8b27b88fcc1220d1a62d4aa520/progs/mlogger.cxx#lines-4205 Just set the last parameter to false...

[Stefan Ritt]

Good point. I fixed it.