Remove double-gzipped files correctly when hash validation fails
Remove double-gzipped files correctly when hash validation fails

GoogleCloudPlatform/gsutil,chriskuehl/gsutil-debian,mattdr/gsutil,dimfeld/gsutil,GoogleCloudPlatform/gsutil,BrandonY/gsutil,dtjackson/gsutil,ttiurani/gsutil,craigcitro/gsutil,fishjord/gsutil