Simplify QuitGanetiException instantiation
Simplify QuitGanetiException instantiation

Rather than packing all the arguments in a tuple, let's pass them
plainly. The superclass won't complain.

Reviewed-by: iustinp

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