correct sfx check
correct sfx check

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