Quote exec_path to properly handle spaces in path
Quote exec_path to properly handle spaces in path

Fixes #7234

mitchellh/vagrant,taliesins/vagrant,gitebra/vagrant,mwrock/vagrant,sni/vagrant,mwrock/vagrant,PatrickLang/vagrant,sni/vagrant,PatrickLang/vagrant,mitchellh/vagrant,bdwyertech/vagrant,bshurts/vagrant,crashlytics/vagrant,taliesins/vagrant,justincampbell/vagrant,bdwyertech/vagrant,gitebra/vagrant,bryson/vagrant,bshurts/vagrant,mwrock/vagrant,chrisroberts/vagrant,bryson/vagrant,marxarelli/vagrant,sni/vagrant,bshurts/vagrant,marxarelli/vagrant,mwrock/vagrant,crashlytics/vagrant,mitchellh/vagrant,benh57/vagrant,justincampbell/vagrant,justincampbell/vagrant,gitebra/vagrant,taliesins/vagrant,bdwyertech/vagrant,chrisroberts/vagrant,marxarelli/vagrant,marxarelli/vagrant,bryson/vagrant,bryson/vagrant,chrisroberts/vagrant,sni/vagrant,mitchellh/vagrant,justincampbell/vagrant,chrisroberts/vagrant,bdwyertech/vagrant,gitebra/vagrant,PatrickLang/vagrant,PatrickLang/vagrant,crashlytics/vagrant,benh57/vagrant,taliesins/vagrant,crashlytics/vagrant,benh57/vagrant,bshurts/vagrant,benh57/vagrant