The fields varialbe should contain or'ed flags of the fields set
in the csync_vio_file_stat_t struct. The problem was that the field
for CSYNC_VIO_FILE_STAT_FIELDS_PERM was assigned rather than or'ed
which makes the release function for the struct not freeing the
etag memory => memleak.
To distinguish no permission present to nothing is allowed.
That was the intention of the old code but it did not work as
the first if was always taken