[test] fix failing test, the test was not accounting for - in the path
[test] fix failing test, the test was not accounting for - in the path

git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@179260 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld