Fix missing invocation of `Cyclic#push`.
Fix missing invocation of `Cyclic#push`.

This call got dropped in the refactor done in 127c95c39c8c35accf930096fd86dbd2cde30481.

pombredanne/simhash-cpp,seomoz/simhash-cpp,seomoz/simhash-cpp,pombredanne/simhash-cpp