Fix zlib:deflate/3 Dialyzer warning
Fix zlib:deflate/3 Dialyzer warning

weisslj/yaws,patternmatched/yaws,imtal/yaws,weisslj/yaws,leoliu/yaws,leoliu/yaws,patternmatched/yaws,patternmatched/yaws,klacke/yaws,phonohawk/yaws,toraritte/azith,andreineculau/yaws,watonyweng/yaws,sebgod/yaws,zephyrean/yaws,bsmr-erlang/yaws,klacke/yaws,phonohawk/yaws,capflam/yaws,zephyrean/yaws,bsmr-erlang/yaws,capflam/yaws,zephyrean/yaws,toraritte/azith,jgrinstead/yaws,klacke/yaws,bsmr-erlang/yaws,ca91/yaws,leoliu/yaws,treacheroustalks/yaws,toraritte/azith,imtal/yaws,klacke/yaws,imtal/yaws,namjae/yaws,weisslj/yaws,andreineculau/yaws,zephyrean/yaws,sebgod/yaws,weisslj/yaws,leoliu/yaws,patternmatched/yaws,capflam/yaws,phonohawk/yaws,weisslj/yaws,jgrinstead/yaws,capflam/yaws,phonohawk/yaws,watonyweng/yaws,imtal/yaws,leoliu/yaws,bsmr-erlang/yaws,namjae/yaws,phonohawk/yaws,sebgod/yaws,leoliu/yaws,bsmr-erlang/yaws,bsmr-erlang/yaws,weisslj/yaws,klacke/yaws,patternmatched/yaws,jgrinstead/yaws,jgrinstead/yaws,treacheroustalks/yaws,toraritte/azith,capflam/yaws,andreineculau/yaws,imtal/yaws,sebgod/yaws,imtal/yaws,ca91/yaws,patternmatched/yaws,jgrinstead/yaws,sebgod/yaws,watonyweng/yaws,watonyweng/yaws,ca91/yaws,andreineculau/yaws,weisslj/yaws,namjae/yaws,toraritte/azith,capflam/yaws,namjae/yaws,ca91/yaws,phonohawk/yaws,patternmatched/yaws,watonyweng/yaws,toraritte/azith,namjae/yaws,andreineculau/yaws,jgrinstead/yaws,namjae/yaws,ca91/yaws,capflam/yaws,sebgod/yaws,imtal/yaws,ca91/yaws,watonyweng/yaws,leoliu/yaws,sebgod/yaws,namjae/yaws,watonyweng/yaws,klacke/yaws,toraritte/azith,treacheroustalks/yaws,ca91/yaws,klacke/yaws,zephyrean/yaws,zephyrean/yaws,bsmr-erlang/yaws,jgrinstead/yaws,zephyrean/yaws,phonohawk/yaws,treacheroustalks/yaws