Fixed problem with non-ASCII filename characters not setting encoding before attempting to hash for generating resumable transfer filename.
Fixed problem with non-ASCII filename characters not setting encoding before attempting to hash for generating resumable transfer filename.


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