Do not show diff when modifying the secret file
Do not show diff when modifying the secret file

When email reports are enabled, changes to the key file result in
sending the OTP secret over email, largely defeating the purpose of
2-factor authentication. Setting show_diff=>false mitigates this
problem.

Signed-off-by: Konstantin Ryabitsev <88b496cab076c092c564e40d69a70d175fb00bcc@linuxfoundation.org>

camptocamp/puppet-googleauthenticator,camptocamp/puppet-googleauthenticator