fixes #2656 error connecting to vsphere after upgrade to ruby 1.9.3(cherry picked from commit 617ee75f8c0f8d239564f3fd48d92a2d772eeb8b)
fixes #2656 error connecting to vsphere after upgrade to ruby 1.9.3
(cherry picked from commit 617ee75f8c0f8d239564f3fd48d92a2d772eeb8b)