Fix lint error in lvmstrap
Fix lint error in lvmstrap

This patch fixes the 'too many branches' lint error
in the lvmstrap tool.

Signed-off-by: Helga Velroyen <2d0126b1ec6f9ec5cbec4a7012aa14faeaef10f5@google.com>
Reviewed-by: Jose Lopes <0fb9c4f8511df4ec2ae28af879e9d462f6218a2c@google.com>

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