Made web workers work correctly again in IE9.
Made web workers work correctly again in IE9.
nmrugg/LZMA-JS,CartoDB/LZMA-JS,zzzhan/LZMA-JS,addaleax/LZMA-JS,zzzhan/LZMA-JS,addaleax/LZMA-JS,addaleax/LZMA-JS,nmrugg/LZMA-JS,zzzhan/LZMA-JS,nmrugg/LZMA-JS