fixed compiler warnings for unused variables
fixed compiler warnings for unused variables

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