fixed a "path.existsSync is now called fs.existsSync" warning
fixed a "path.existsSync is now called fs.existsSync" warning

delmosaurio/adm-zip,bestdeveloperever/adm-zip,KenanSulayman/adm-zip,goofwear/adm-zip,kadledav/adm-zip,cthackers/adm-zip,paulrutter/adm-zip,jagdeesh109/adm-zip