Fix double-source-comment for file output
Fix double-source-comment for file output

alexisvincent/builder,lookfirst/builder,ahmedshuhel/builder,alexisvincent/builder,matthewbauer/builder,tonytanger/builder,alexandr2110pro/builder,Psvensso/builder,systemjs/builder,systemjs/builder,Munter/builder,douglasduteil/builder,synaptek/builder,synaptek/builder,systemjs/builder,buddhike/builder,robwormald/builder,jrauschenbusch/builder,Munter/builder,buddhike/builder,whitneyit/builder,alexandr2110pro/builder,jrauschenbusch/builder,JeroenVinke/builder,richardTowers/builder,whitneyit/builder,JeroenVinke/builder,douglasduteil/builder,richardTowers/builder,Psvensso/builder,ahmedshuhel/builder,lookfirst/builder,robwormald/builder,jrauschenbusch/builder,tonytanger/builder,matthewbauer/builder,alexisvincent/builder