correction make suse 12 included in supported_dists
correction make suse 12 included in supported_dists

Azure/azure-linux-extensions,vityagi/azure-linux-extensions,Azure/azure-linux-extensions,bpramod/azure-linux-extensions,bpramod/azure-linux-extensions,bpramod/azure-linux-extensions,vityagi/azure-linux-extensions,vityagi/azure-linux-extensions,vityagi/azure-linux-extensions,Azure/azure-linux-extensions,Azure/azure-linux-extensions,vityagi/azure-linux-extensions,bpramod/azure-linux-extensions,bpramod/azure-linux-extensions,Azure/azure-linux-extensions,vityagi/azure-linux-extensions,Azure/azure-linux-extensions,Azure/azure-linux-extensions,bpramod/azure-linux-extensions,vityagi/azure-linux-extensions,bpramod/azure-linux-extensions