remove hard coding of path separator
remove hard coding of path separator

codito/vso-agent-tasks,grawcho/vso-agent-tasks,kkdawkins/vsts-tasks,codito/vso-agent-tasks,grawcho/vso-agent-tasks,dhashrath-msft/vsts-tasks,pascalberger/vso-agent-tasks,Microsoft/vso-agent-tasks,shashban/vsts-tasks,ivyzhu/vsts-tasks,shashban/vsts-tasks,jotaylo/vsts-tasks,jotaylo/vsts-tasks,alexmullans/vsts-tasks,jotaylo/vsts-tasks,AArnott/vso-agent-tasks,kkdawkins/vsts-tasks,AArnott/vso-agent-tasks,Microsoft/vsts-tasks,shashban/vsts-tasks,philip-durrant/vso-agent-tasks,vithati/vsts-tasks,HSAR/vso-agent-tasks,ivyzhu/vsts-tasks,vithati/vsts-tasks,dhashrath-msft/vsts-tasks,dylan-smith/vso-agent-tasks,grawcho/vso-agent-tasks,codito/vso-agent-tasks,AArnott/vso-agent-tasks,codito/vso-agent-tasks,philip-durrant/vso-agent-tasks,codito/vso-agent-tasks,dylan-smith/vso-agent-tasks,pascalberger/vso-agent-tasks,philip-durrant/vso-agent-tasks,alexmullans/vsts-tasks,ivyzhu/vsts-tasks,pascalberger/vso-agent-tasks,aldoms/vsts-tasks,dylan-smith/vso-agent-tasks,aldoms/vsts-tasks,Microsoft/vso-agent-tasks,ivyzhu/vsts-tasks,aldoms/vsts-tasks,shashban/vsts-tasks,jotaylo/vsts-tasks,AArnott/vso-agent-tasks,kkdawkins/vsts-tasks,Microsoft/vso-agent-tasks,dhashrath-msft/vsts-tasks,kkdawkins/vsts-tasks,alexmullans/vsts-tasks,AArnott/vso-agent-tasks,aldoms/vsts-tasks,vithati/vsts-tasks,philip-durrant/vso-agent-tasks,philip-durrant/vso-agent-tasks,dylan-smith/vso-agent-tasks,grawcho/vso-agent-tasks,grawcho/vso-agent-tasks,kkdawkins/vsts-tasks,HSAR/vso-agent-tasks,vithati/vsts-tasks,ivyzhu/vsts-tasks,dylan-smith/vso-agent-tasks,aldoms/vsts-tasks,Microsoft/vsts-tasks,Microsoft/vsts-tasks,pascalberger/vso-agent-tasks,grawcho/vso-agent-tasks,jotaylo/vsts-tasks,HSAR/vso-agent-tasks,shashban/vsts-tasks,vithati/vsts-tasks,Microsoft/vsts-tasks,dhashrath-msft/vsts-tasks,pascalberger/vso-agent-tasks,HSAR/vso-agent-tasks,alexmullans/vsts-tasks,alexmullans/vsts-tasks,Microsoft/vsts-tasks,dhashrath-msft/vsts-tasks