90c7807 Linker/module-max-warn.ll: Fix test to be compatible with Windows file separators

1 file Authored by David Blaikie 4 years ago, Committed by Hans Wennborg 4 years ago,
    Linker/module-max-warn.ll: Fix test to be compatible with Windows file separators
    
    (cherry picked from commit 84eeee65804ba070c50978be1c741a1756779079)