remove call to tuple fun in yaws_api.erl
remove call to tuple fun in yaws_api.erl

R15B deprecates tuple fun calls, emitting a warning when they're
called at runtime. Replace single use of {M, F} with fun M:F/1 in
yaws_api.erl to avoid runtime warning.

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