Fix #38491: fix an abspath() edge case on Windows (#38981)
* Fix #38491: fix an abspath() edge case on Windows
* Update base/path.jl
Co-authored-by: Jameson Nash <vtjnash@gmail.com>
* Update base/path.jl
* Update test/path.jl
Co-authored-by: Jameson Nash <vtjnash@gmail.com>
Co-authored-by: Mustafa M <mus-m@outlook.com>
Co-authored-by: Jameson Nash <vtjnash@gmail.com>
