Avoid zeroing buf before copy
Avoid zeroing buf before copy

basho/erlang_js,basho/erlang_js,sameroom/erlang_js,systra/erlang_js,cristianberneanu/erlang_js,zero778/erlang_js,zero778/erlang_js,systra/erlang_js,zero778/erlang_js,sameroom/erlang_js,cristianberneanu/erlang_js,sameroom/erlang_js,basho/erlang_js