Fixes #284: Use correct key for AwsS3 cache control
Fixes #284: Use correct key for AwsS3 cache control

twistor/flysystem,oswaldderiemaecker/flysystem,twistor/flysystem,barryvdh/flysystem,sohelrana820/flysystem,mhlavac/flysystem,hannesvdvreken/flysystem,Amrit01/flysystem,dstockto/flysystem,mapyo/flysystem,CarsonF/flysystem,dshafik/flysystem,farmisen/flysystem,rossriley/flysystem,sachintaware/flysystem,nao-pon/flysystem,mhlavac/flysystem