In the crontab example, look for the correct binary
In the crontab example, look for the correct binary

When ganeti-master-cleaner was merged back into ganeti-cleaner in 46118ed2,
the binary to test for should have also been updated. Do this now.

Signed-off-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>
Reviewed-by: Helga Velroyen <2d0126b1ec6f9ec5cbec4a7012aa14faeaef10f5@google.com>

mbakke/ganeti,leshchevds/ganeti,apyrgio/snf-ganeti,leshchevds/ganeti,yiannist/ganeti,bitemyapp/ganeti,andir/ganeti,apyrgio/ganeti,apyrgio/snf-ganeti,dimara/ganeti,ganeti/ganeti,ganeti/ganeti,grnet/snf-ganeti,andir/ganeti,ganeti-github-testing/ganeti-test-1,grnet/snf-ganeti,andir/ganeti,mbakke/ganeti,ganeti/ganeti,onponomarev/ganeti,bitemyapp/ganeti,mbakke/ganeti,dimara/ganeti,apyrgio/ganeti,yiannist/ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,leshchevds/ganeti,onponomarev/ganeti