Fix console warning, unreachable code after return statement (#1978) (#1979)
Fix console warning, unreachable code after return statement (#1978) (#1979)

- in libs/JPEGEncoder.js
MrRio/jsPDF,yWorks/jsPDF,MrRio/jsPDF,yWorks/jsPDF,yWorks/jsPDF,MrRio/jsPDF