Prevent false-positive in EnvironmentHelper.isMacOS on Windows
Prevent false-positive in EnvironmentHelper.isMacOS on Windows

If the current-directory is on a mapped drive, e.g. the M:\ drive,
calling File.Exists with "/usr/bin/osascript" translates to
"M:\usr\bin\osascript" -- this exists in some cases where Windows is
running as a virtual machine on an OSX host.

Kazark/FAKE,MichalDepta/FAKE,mglodack/FAKE,MiloszKrajewski/FAKE,mglodack/FAKE,Kazark/FAKE,MichalDepta/FAKE,rflechner/FAKE,MiloszKrajewski/FAKE,MiloszKrajewski/FAKE,rflechner/FAKE,beeker/FAKE,rflechner/FAKE,beeker/FAKE,MichalDepta/FAKE,beeker/FAKE,Kazark/FAKE,MiloszKrajewski/FAKE,MichalDepta/FAKE,mglodack/FAKE,beeker/FAKE,rflechner/FAKE,mglodack/FAKE,Kazark/FAKE