Typo fix in lifecycle.py
Typo fix in lifecycle.py

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