Don't pollute the global scope if we don't have to.
Don't pollute the global scope if we don't have to.

addaleax/LZMA-JS,addaleax/LZMA-JS,zzzhan/LZMA-JS,zzzhan/LZMA-JS,nmrugg/LZMA-JS,zzzhan/LZMA-JS,nmrugg/LZMA-JS,nmrugg/LZMA-JS,addaleax/LZMA-JS