Fixed a few minor dialyzer warnings
Fixed a few minor dialyzer warnings

bks7/mzbench,avasenin/mzbench,alinpopa/mzbench,ethercrow/mzbench,alinpopa/mzbench,moigagoo/mzbench,ethercrow/mzbench,bks7/mzbench,ethercrow/mzbench,moigagoo/mzbench,bks7/mzbench,alinpopa/mzbench,avasenin/mzbench,moigagoo/mzbench,bks7/mzbench,alinpopa/mzbench,moigagoo/mzbench,avasenin/mzbench,avasenin/mzbench,ethercrow/mzbench