Correcting typo in deployDataCenter.py
Correcting typo in deployDataCenter.py

isFreeZone is actually a test for whether the zone is a pure advanced
zone or an advanced zone with security groups. Renaming the var and
fixing the typo introduced by a65d21.

Signed-off-by: Prasanna Santhanam <82219615980488abd2acc1a3d71cfb58f0b2b8b6@apache.org>

wido/cloudstack,GabrielBrascher/cloudstack,mufaddalq/cloudstack-datera-driver,resmo/cloudstack,resmo/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,mufaddalq/cloudstack-datera-driver,wido/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,jcshen007/cloudstack,mufaddalq/cloudstack-datera-driver,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,resmo/cloudstack,resmo/cloudstack,jcshen007/cloudstack,wido/cloudstack,jcshen007/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,mufaddalq/cloudstack-datera-driver,DaanHoogland/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,mufaddalq/cloudstack-datera-driver,resmo/cloudstack,jcshen007/cloudstack,mufaddalq/cloudstack-datera-driver,DaanHoogland/cloudstack,resmo/cloudstack,wido/cloudstack