Check for err before working with newRelease. (#4630)
Check for err before working with newRelease. (#4630)

Should fix #4585.

Signed-off-by: Steve Wolter <7a1c3147622421679c55a10012f0b713a57912c5@google.com>
jascott1/helm,appscode/helm,SlickNik/helm,SlickNik/helm,appscode/helm,jascott1/helm